Home / 1,294,463,999.10-1,941,695,998.65-432,820,991.10

Finding the Fourth Proportional to 1,294,463,999.10, 1,941,695,998.65 and 432,820,991.10

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Solution

The fourth proportional to 1,294,463,999.10, 1,941,695,998.65 and 432,820,991.10 is: 649,231,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,463,999.10 : 1,941,695,998.65 = 432,820,991.10 : x
  2. Step 2: Convert to fraction form
    1,294,463,999.10/1,941,695,998.65 = 432,820,991.10/x
  3. Step 3: Cross multiply
    1,294,463,999.10x = 1,941,695,998.65 × 432,820,991.10
  4. Step 4: Simplify right side
    1,294,463,999.10x = 840,406,786,550,597,376
  5. Step 5: Solve for x
    x = 840,406,786,550,597,376/1,294,463,999.10
  6. Step 6: Final answer
    x = 649,231,486.65

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,294,464,000.10, 1,941,696,000.15 and 432,820,992.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.