Home / 346,758,701.70-520,138,052.55-315,013,959.30

Finding the Fourth Proportional to 346,758,701.70, 520,138,052.55 and 315,013,959.30

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Solution

The fourth proportional to 346,758,701.70, 520,138,052.55 and 315,013,959.30 is: 472,520,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,758,701.70 : 520,138,052.55 = 315,013,959.30 : x
  2. Step 2: Convert to fraction form
    346,758,701.70/520,138,052.55 = 315,013,959.30/x
  3. Step 3: Cross multiply
    346,758,701.70x = 520,138,052.55 × 315,013,959.30
  4. Step 4: Simplify right side
    346,758,701.70x = 163,850,747,316,366,976
  5. Step 5: Solve for x
    x = 163,850,747,316,366,976/346,758,701.70
  6. Step 6: Final answer
    x = 472,520,938.95

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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.