Home / 434,412,921.60-651,635,128.80-127,736,035.20

Finding the Fourth Proportional to 434,412,921.60, 651,635,128.80 and 127,736,035.20

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Solution

The fourth proportional to 434,412,921.60, 651,635,128.80 and 127,736,035.20 is: 191,608,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,412,921.60 : 651,635,128.80 = 127,736,035.20 : x
  2. Step 2: Convert to fraction form
    434,412,921.60/651,635,128.80 = 127,736,035.20/x
  3. Step 3: Cross multiply
    434,412,921.60x = 651,635,128.80 × 127,736,035.20
  4. Step 4: Simplify right side
    434,412,921.60x = 83,237,287,749,953,328
  5. Step 5: Solve for x
    x = 83,237,287,749,953,328/434,412,921.60
  6. Step 6: Final answer
    x = 191,608,682.92

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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.