Home / 359,221,348.40-538,832,022.60-281,737,250.60

Finding the Fourth Proportional to 359,221,348.40, 538,832,022.60 and 281,737,250.60

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Solution

The fourth proportional to 359,221,348.40, 538,832,022.60 and 281,737,250.60 is: 422,605,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,221,348.40 : 538,832,022.60 = 281,737,250.60 : x
  2. Step 2: Convert to fraction form
    359,221,348.40/538,832,022.60 = 281,737,250.60/x
  3. Step 3: Cross multiply
    359,221,348.40x = 538,832,022.60 × 281,737,250.60
  4. Step 4: Simplify right side
    359,221,348.40x = 151,809,052,582,561,088
  5. Step 5: Solve for x
    x = 151,809,052,582,561,088/359,221,348.40
  6. Step 6: Final answer
    x = 422,605,875.90

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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.