Home / 437,220,909.36-655,946,343.90-157,130,097.30

Finding the Fourth Proportional to 437,220,909.36, 655,946,343.90 and 157,130,097.30

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Solution

The fourth proportional to 437,220,909.36, 655,946,343.90 and 157,130,097.30 is: 235,736,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,220,909.36 : 655,946,343.90 = 157,130,097.30 : x
  2. Step 2: Convert to fraction form
    437,220,909.36/655,946,343.90 = 157,130,097.30/x
  3. Step 3: Cross multiply
    437,220,909.36x = 655,946,343.90 × 157,130,097.30
  4. Step 4: Simplify right side
    437,220,909.36x = 103,068,912,840,586,272
  5. Step 5: Solve for x
    x = 103,068,912,840,586,272/437,220,909.36
  6. Step 6: Final answer
    x = 235,736,467.85

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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.