Home / 659,341,985.10-989,012,977.65-168,054,305.10

Finding the Fourth Proportional to 659,341,985.10, 989,012,977.65 and 168,054,305.10

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Solution

The fourth proportional to 659,341,985.10, 989,012,977.65 and 168,054,305.10 is: 252,081,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,341,985.10 : 989,012,977.65 = 168,054,305.10 : x
  2. Step 2: Convert to fraction form
    659,341,985.10/989,012,977.65 = 168,054,305.10/x
  3. Step 3: Cross multiply
    659,341,985.10x = 989,012,977.65 × 168,054,305.10
  4. Step 4: Simplify right side
    659,341,985.10x = 166,207,888,693,852,576
  5. Step 5: Solve for x
    x = 166,207,888,693,852,576/659,341,985.10
  6. Step 6: Final answer
    x = 252,081,457.65

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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.