Home / 434,407,530.60-651,627,042.30-127,730,644.20

Finding the Fourth Proportional to 434,407,530.60, 651,627,042.30 and 127,730,644.20

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Solution

The fourth proportional to 434,407,530.60, 651,627,042.30 and 127,730,644.20 is: 191,600,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,407,530.60 : 651,627,042.30 = 127,730,644.20 : x
  2. Step 2: Convert to fraction form
    434,407,530.60/651,627,042.30 = 127,730,644.20/x
  3. Step 3: Cross multiply
    434,407,530.60x = 651,627,042.30 × 127,730,644.20
  4. Step 4: Simplify right side
    434,407,530.60x = 83,232,741,891,119,648
  5. Step 5: Solve for x
    x = 83,232,741,891,119,648/434,407,530.60
  6. Step 6: Final answer
    x = 191,600,596.28

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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.