Home / 517,666,487.52-714,397,381.19-306,154,630.29

Finding the Fourth Proportional to 517,666,487.52, 714,397,381.19 and 306,154,630.29

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Solution

The fourth proportional to 517,666,487.52, 714,397,381.19 and 306,154,630.29 is: 422,503,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,666,487.52 : 714,397,381.19 = 306,154,630.29 : x
  2. Step 2: Convert to fraction form
    517,666,487.52/714,397,381.19 = 306,154,630.29/x
  3. Step 3: Cross multiply
    517,666,487.52x = 714,397,381.19 × 306,154,630.29
  4. Step 4: Simplify right side
    517,666,487.52x = 218,716,066,118,368,672
  5. Step 5: Solve for x
    x = 218,716,066,118,368,672/517,666,487.52
  6. Step 6: Final answer
    x = 422,503,815.47

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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.