Home / 1,154,920,040.40-1,732,805,213.40-378,591,027.60

Finding the Fourth Proportional to 1,154,920,040.40, 1,732,805,213.40 and 378,591,027.60

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Solution

The fourth proportional to 1,154,920,040.40, 1,732,805,213.40 and 378,591,027.60 is: 568,025,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,920,040.40 : 1,732,805,213.40 = 378,591,027.60 : x
  2. Step 2: Convert to fraction form
    1,154,920,040.40/1,732,805,213.40 = 378,591,027.60/x
  3. Step 3: Cross multiply
    1,154,920,040.40x = 1,732,805,213.40 × 378,591,027.60
  4. Step 4: Simplify right side
    1,154,920,040.40x = 656,024,506,371,743,360
  5. Step 5: Solve for x
    x = 656,024,506,371,743,360/1,154,920,040.40
  6. Step 6: Final answer
    x = 568,025,909.52

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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.