Home / 508,828,993.07-702,201,061.05-282,777,502.73

Finding the Fourth Proportional to 508,828,993.07, 702,201,061.05 and 282,777,502.73

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Solution

The fourth proportional to 508,828,993.07, 702,201,061.05 and 282,777,502.73 is: 390,242,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,828,993.07 : 702,201,061.05 = 282,777,502.73 : x
  2. Step 2: Convert to fraction form
    508,828,993.07/702,201,061.05 = 282,777,502.73/x
  3. Step 3: Cross multiply
    508,828,993.07x = 702,201,061.05 × 282,777,502.73
  4. Step 4: Simplify right side
    508,828,993.07x = 198,566,662,459,046,432
  5. Step 5: Solve for x
    x = 198,566,662,459,046,432/508,828,993.07
  6. Step 6: Final answer
    x = 390,242,429.51

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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.