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Finding the Fourth Proportional to 504,486,602.64, 757,069,443 and 176,965,215.12

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Solution

The fourth proportional to 504,486,602.64, 757,069,443 and 176,965,215.12 is: 265,566,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,486,602.64 : 757,069,443 = 176,965,215.12 : x
  2. Step 2: Convert to fraction form
    504,486,602.64/757,069,443 = 176,965,215.12/x
  3. Step 3: Cross multiply
    504,486,602.64x = 757,069,443 × 176,965,215.12
  4. Step 4: Simplify right side
    504,486,602.64x = 133,974,956,841,273,584
  5. Step 5: Solve for x
    x = 133,974,956,841,273,584/504,486,602.64
  6. Step 6: Final answer
    x = 265,566,927.13

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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.