Home / 520,830,527.23-718,746,839.32-282,675,715.32

Finding the Fourth Proportional to 520,830,527.23, 718,746,839.32 and 282,675,715.32

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Solution

The fourth proportional to 520,830,527.23, 718,746,839.32 and 282,675,715.32 is: 390,092,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,830,527.23 : 718,746,839.32 = 282,675,715.32 : x
  2. Step 2: Convert to fraction form
    520,830,527.23/718,746,839.32 = 282,675,715.32/x
  3. Step 3: Cross multiply
    520,830,527.23x = 718,746,839.32 × 282,675,715.32
  4. Step 4: Simplify right side
    520,830,527.23x = 203,172,276,938,770,112
  5. Step 5: Solve for x
    x = 203,172,276,938,770,112/520,830,527.23
  6. Step 6: Final answer
    x = 390,092,873.43

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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.