Home / 933,174,027.60-1,287,799,141.80-509,815,109.68

Finding the Fourth Proportional to 933,174,027.60, 1,287,799,141.80 and 509,815,109.68

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Solution

The fourth proportional to 933,174,027.60, 1,287,799,141.80 and 509,815,109.68 is: 703,555,222.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,174,027.60 : 1,287,799,141.80 = 509,815,109.68 : x
  2. Step 2: Convert to fraction form
    933,174,027.60/1,287,799,141.80 = 509,815,109.68/x
  3. Step 3: Cross multiply
    933,174,027.60x = 1,287,799,141.80 × 509,815,109.68
  4. Step 4: Simplify right side
    933,174,027.60x = 656,539,460,722,576,896
  5. Step 5: Solve for x
    x = 656,539,460,722,576,896/933,174,027.60
  6. Step 6: Final answer
    x = 703,555,222.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.