Home / 514,512,345.20-771,768,517.80-296,834,111.60

Finding the Fourth Proportional to 514,512,345.20, 771,768,517.80 and 296,834,111.60

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Solution

The fourth proportional to 514,512,345.20, 771,768,517.80 and 296,834,111.60 is: 445,251,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,512,345.20 : 771,768,517.80 = 296,834,111.60 : x
  2. Step 2: Convert to fraction form
    514,512,345.20/771,768,517.80 = 296,834,111.60/x
  3. Step 3: Cross multiply
    514,512,345.20x = 771,768,517.80 × 296,834,111.60
  4. Step 4: Simplify right side
    514,512,345.20x = 229,087,222,342,011,776
  5. Step 5: Solve for x
    x = 229,087,222,342,011,776/514,512,345.20
  6. Step 6: Final answer
    x = 445,251,167.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.