Home / 912,389,601.60-1,368,584,402.40-904,327,444.80

Finding the Fourth Proportional to 912,389,601.60, 1,368,584,402.40 and 904,327,444.80

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Solution

The fourth proportional to 912,389,601.60, 1,368,584,402.40 and 904,327,444.80 is: 1,356,491,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,389,601.60 : 1,368,584,402.40 = 904,327,444.80 : x
  2. Step 2: Convert to fraction form
    912,389,601.60/1,368,584,402.40 = 904,327,444.80/x
  3. Step 3: Cross multiply
    912,389,601.60x = 1,368,584,402.40 × 904,327,444.80
  4. Step 4: Simplify right side
    912,389,601.60x = 1,237,648,435,615,526,912
  5. Step 5: Solve for x
    x = 1,237,648,435,615,526,912/912,389,601.60
  6. Step 6: Final answer
    x = 1,356,491,167.20

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1.5x scale

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.