Home / 392,340,830.63-588,532,707.71-159,136,909.07

Finding the Fourth Proportional to 392,340,830.63, 588,532,707.71 and 159,136,909.07

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Solution

The fourth proportional to 392,340,830.63, 588,532,707.71 and 159,136,909.07 is: 238,714,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,340,830.63 : 588,532,707.71 = 159,136,909.07 : x
  2. Step 2: Convert to fraction form
    392,340,830.63/588,532,707.71 = 159,136,909.07/x
  3. Step 3: Cross multiply
    392,340,830.63x = 588,532,707.71 × 159,136,909.07
  4. Step 4: Simplify right side
    392,340,830.63x = 93,657,275,993,436,320
  5. Step 5: Solve for x
    x = 93,657,275,993,436,320/392,340,830.63
  6. Step 6: Final answer
    x = 238,714,068.69

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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.