Home / 472,573,234.80-708,859,852.20-127,526,308.20

Finding the Fourth Proportional to 472,573,234.80, 708,859,852.20 and 127,526,308.20

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Solution

The fourth proportional to 472,573,234.80, 708,859,852.20 and 127,526,308.20 is: 191,289,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,573,234.80 : 708,859,852.20 = 127,526,308.20 : x
  2. Step 2: Convert to fraction form
    472,573,234.80/708,859,852.20 = 127,526,308.20/x
  3. Step 3: Cross multiply
    472,573,234.80x = 708,859,852.20 × 127,526,308.20
  4. Step 4: Simplify right side
    472,573,234.80x = 90,398,279,982,263,664
  5. Step 5: Solve for x
    x = 90,398,279,982,263,664/472,573,234.80
  6. Step 6: Final answer
    x = 191,289,462.30

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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.