Home / 472,573,237.80-708,859,856.70-127,526,311.20

Finding the Fourth Proportional to 472,573,237.80, 708,859,856.70 and 127,526,311.20

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Solution

The fourth proportional to 472,573,237.80, 708,859,856.70 and 127,526,311.20 is: 191,289,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,573,237.80 : 708,859,856.70 = 127,526,311.20 : x
  2. Step 2: Convert to fraction form
    472,573,237.80/708,859,856.70 = 127,526,311.20/x
  3. Step 3: Cross multiply
    472,573,237.80x = 708,859,856.70 × 127,526,311.20
  4. Step 4: Simplify right side
    472,573,237.80x = 90,398,282,682,711,616
  5. Step 5: Solve for x
    x = 90,398,282,682,711,616/472,573,237.80
  6. Step 6: Final answer
    x = 191,289,466.80

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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.