Home / 434,407,337.60-651,626,752.80-127,730,451.20

Finding the Fourth Proportional to 434,407,337.60, 651,626,752.80 and 127,730,451.20

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Solution

The fourth proportional to 434,407,337.60, 651,626,752.80 and 127,730,451.20 is: 191,600,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,407,337.60 : 651,626,752.80 = 127,730,451.20 : x
  2. Step 2: Convert to fraction form
    434,407,337.60/651,626,752.80 = 127,730,451.20/x
  3. Step 3: Cross multiply
    434,407,337.60x = 651,626,752.80 × 127,730,451.20
  4. Step 4: Simplify right side
    434,407,337.60x = 83,232,579,149,134,864
  5. Step 5: Solve for x
    x = 83,232,579,149,134,864/434,407,337.60
  6. Step 6: Final answer
    x = 191,600,306.77

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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.