Home / 347,559,547.20-520,891,423.20-266,378,107.20

Finding the Fourth Proportional to 347,559,547.20, 520,891,423.20 and 266,378,107.20

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Solution

The fourth proportional to 347,559,547.20, 520,891,423.20 and 266,378,107.20 is: 399,223,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,559,547.20 : 520,891,423.20 = 266,378,107.20 : x
  2. Step 2: Convert to fraction form
    347,559,547.20/520,891,423.20 = 266,378,107.20/x
  3. Step 3: Cross multiply
    347,559,547.20x = 520,891,423.20 × 266,378,107.20
  4. Step 4: Simplify right side
    347,559,547.20x = 138,754,071,368,730,160
  5. Step 5: Solve for x
    x = 138,754,071,368,730,160/347,559,547.20
  6. Step 6: Final answer
    x = 399,223,881.16

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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.