Home / 472,573,254.30-708,859,881.45-127,526,327.70

Finding the Fourth Proportional to 472,573,254.30, 708,859,881.45 and 127,526,327.70

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Solution

The fourth proportional to 472,573,254.30, 708,859,881.45 and 127,526,327.70 is: 191,289,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,573,254.30 : 708,859,881.45 = 127,526,327.70 : x
  2. Step 2: Convert to fraction form
    472,573,254.30/708,859,881.45 = 127,526,327.70/x
  3. Step 3: Cross multiply
    472,573,254.30x = 708,859,881.45 × 127,526,327.70
  4. Step 4: Simplify right side
    472,573,254.30x = 90,398,297,535,175,856
  5. Step 5: Solve for x
    x = 90,398,297,535,175,856/472,573,254.30
  6. Step 6: Final answer
    x = 191,289,491.55

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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.