Home / 754,515,345.60-1,129,505,536.80-447,649,502.40

Finding the Fourth Proportional to 754,515,345.60, 1,129,505,536.80 and 447,649,502.40

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Solution

The fourth proportional to 754,515,345.60, 1,129,505,536.80 and 447,649,502.40 is: 670,128,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,515,345.60 : 1,129,505,536.80 = 447,649,502.40 : x
  2. Step 2: Convert to fraction form
    754,515,345.60/1,129,505,536.80 = 447,649,502.40/x
  3. Step 3: Cross multiply
    754,515,345.60x = 1,129,505,536.80 × 447,649,502.40
  4. Step 4: Simplify right side
    754,515,345.60x = 505,622,591,506,564,864
  5. Step 5: Solve for x
    x = 505,622,591,506,564,864/754,515,345.60
  6. Step 6: Final answer
    x = 670,128,970.15

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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.