Home / 517,928,299.28-714,732,711.76-282,973,914.80

Finding the Fourth Proportional to 517,928,299.28, 714,732,711.76 and 282,973,914.80

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Solution

The fourth proportional to 517,928,299.28, 714,732,711.76 and 282,973,914.80 is: 390,499,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,928,299.28 : 714,732,711.76 = 282,973,914.80 : x
  2. Step 2: Convert to fraction form
    517,928,299.28/714,732,711.76 = 282,973,914.80/x
  3. Step 3: Cross multiply
    517,928,299.28x = 714,732,711.76 × 282,973,914.80
  4. Step 4: Simplify right side
    517,928,299.28x = 202,250,713,482,347,200
  5. Step 5: Solve for x
    x = 202,250,713,482,347,200/517,928,299.28
  6. Step 6: Final answer
    x = 390,499,445.12

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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.