Home / 434,407,429.60-651,626,890.80-127,730,543.20

Finding the Fourth Proportional to 434,407,429.60, 651,626,890.80 and 127,730,543.20

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Solution

The fourth proportional to 434,407,429.60, 651,626,890.80 and 127,730,543.20 is: 191,600,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,407,429.60 : 651,626,890.80 = 127,730,543.20 : x
  2. Step 2: Convert to fraction form
    434,407,429.60/651,626,890.80 = 127,730,543.20/x
  3. Step 3: Cross multiply
    434,407,429.60x = 651,626,890.80 × 127,730,543.20
  4. Step 4: Simplify right side
    434,407,429.60x = 83,232,656,725,611,072
  5. Step 5: Solve for x
    x = 83,232,656,725,611,072/434,407,429.60
  6. Step 6: Final answer
    x = 191,600,444.78

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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.