Home / 502,002,054.74-692,547,943.75-313,503,098.27

Finding the Fourth Proportional to 502,002,054.74, 692,547,943.75 and 313,503,098.27

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Solution

The fourth proportional to 502,002,054.74, 692,547,943.75 and 313,503,098.27 is: 432,500,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,002,054.74 : 692,547,943.75 = 313,503,098.27 : x
  2. Step 2: Convert to fraction form
    502,002,054.74/692,547,943.75 = 313,503,098.27/x
  3. Step 3: Cross multiply
    502,002,054.74x = 692,547,943.75 × 313,503,098.27
  4. Step 4: Simplify right side
    502,002,054.74x = 217,115,926,061,896,160
  5. Step 5: Solve for x
    x = 217,115,926,061,896,160/502,002,054.74
  6. Step 6: Final answer
    x = 432,500,074.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.