Home / 516,224,610.68-712,390,064.92-281,275,271.32

Finding the Fourth Proportional to 516,224,610.68, 712,390,064.92 and 281,275,271.32

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Solution

The fourth proportional to 516,224,610.68, 712,390,064.92 and 281,275,271.32 is: 388,159,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,224,610.68 : 712,390,064.92 = 281,275,271.32 : x
  2. Step 2: Convert to fraction form
    516,224,610.68/712,390,064.92 = 281,275,271.32/x
  3. Step 3: Cross multiply
    516,224,610.68x = 712,390,064.92 × 281,275,271.32
  4. Step 4: Simplify right side
    516,224,610.68x = 200,377,708,796,045,408
  5. Step 5: Solve for x
    x = 200,377,708,796,045,408/516,224,610.68
  6. Step 6: Final answer
    x = 388,159,930.10

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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.