Home / 547,283,501.64-820,925,251.65-138,339,652.14

Finding the Fourth Proportional to 547,283,501.64, 820,925,251.65 and 138,339,652.14

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Solution

The fourth proportional to 547,283,501.64, 820,925,251.65 and 138,339,652.14 is: 207,509,478.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,283,501.64 : 820,925,251.65 = 138,339,652.14 : x
  2. Step 2: Convert to fraction form
    547,283,501.64/820,925,251.65 = 138,339,652.14/x
  3. Step 3: Cross multiply
    547,283,501.64x = 820,925,251.65 × 138,339,652.14
  4. Step 4: Simplify right side
    547,283,501.64x = 113,566,513,746,202,944
  5. Step 5: Solve for x
    x = 113,566,513,746,202,944/547,283,501.64
  6. Step 6: Final answer
    x = 207,509,478.01

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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.