Home / 542,638,130.74-813,962,116.68-154,460,808.52

Finding the Fourth Proportional to 542,638,130.74, 813,962,116.68 and 154,460,808.52

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Solution

The fourth proportional to 542,638,130.74, 813,962,116.68 and 154,460,808.52 is: 231,692,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,638,130.74 : 813,962,116.68 = 154,460,808.52 : x
  2. Step 2: Convert to fraction form
    542,638,130.74/813,962,116.68 = 154,460,808.52/x
  3. Step 3: Cross multiply
    542,638,130.74x = 813,962,116.68 × 154,460,808.52
  4. Step 4: Simplify right side
    542,638,130.74x = 125,725,246,647,043,376
  5. Step 5: Solve for x
    x = 125,725,246,647,043,376/542,638,130.74
  6. Step 6: Final answer
    x = 231,692,613.41

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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.