Home / 542,033,736.48-813,048,995.76-153,856,895.28

Finding the Fourth Proportional to 542,033,736.48, 813,048,995.76 and 153,856,895.28

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Solution

The fourth proportional to 542,033,736.48, 813,048,995.76 and 153,856,895.28 is: 230,784,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,033,736.48 : 813,048,995.76 = 153,856,895.28 : x
  2. Step 2: Convert to fraction form
    542,033,736.48/813,048,995.76 = 153,856,895.28/x
  3. Step 3: Cross multiply
    542,033,736.48x = 813,048,995.76 × 153,856,895.28
  4. Step 4: Simplify right side
    542,033,736.48x = 125,093,194,198,155,488
  5. Step 5: Solve for x
    x = 125,093,194,198,155,488/542,033,736.48
  6. Step 6: Final answer
    x = 230,784,886.21

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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.