Home / 1,294,464,004.35-1,941,696,006.53-432,820,996.35

Finding the Fourth Proportional to 1,294,464,004.35, 1,941,696,006.53 and 432,820,996.35

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Solution

The fourth proportional to 1,294,464,004.35, 1,941,696,006.53 and 432,820,996.35 is: 649,231,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,464,004.35 : 1,941,696,006.53 = 432,820,996.35 : x
  2. Step 2: Convert to fraction form
    1,294,464,004.35/1,941,696,006.53 = 432,820,996.35/x
  3. Step 3: Cross multiply
    1,294,464,004.35x = 1,941,696,006.53 × 432,820,996.35
  4. Step 4: Simplify right side
    1,294,464,004.35x = 840,406,800,152,966,656
  5. Step 5: Solve for x
    x = 840,406,800,152,966,656/1,294,464,004.35
  6. Step 6: Final answer
    x = 649,231,494.53

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Half scale
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Double scale
Find fourth proportional to 1,294,464,005.35, 1,941,696,008.03 and 432,820,997.35
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.