Home / 542,376,029.80-813,564,044.70-178,851,140.20

Finding the Fourth Proportional to 542,376,029.80, 813,564,044.70 and 178,851,140.20

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Solution

The fourth proportional to 542,376,029.80, 813,564,044.70 and 178,851,140.20 is: 268,276,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,376,029.80 : 813,564,044.70 = 178,851,140.20 : x
  2. Step 2: Convert to fraction form
    542,376,029.80/813,564,044.70 = 178,851,140.20/x
  3. Step 3: Cross multiply
    542,376,029.80x = 813,564,044.70 × 178,851,140.20
  4. Step 4: Simplify right side
    542,376,029.80x = 145,506,857,020,318,752
  5. Step 5: Solve for x
    x = 145,506,857,020,318,752/542,376,029.80
  6. Step 6: Final answer
    x = 268,276,710.30

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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.