Home / 457,056,155.60-685,584,233.40-434,760,808.40

Finding the Fourth Proportional to 457,056,155.60, 685,584,233.40 and 434,760,808.40

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Solution

The fourth proportional to 457,056,155.60, 685,584,233.40 and 434,760,808.40 is: 652,141,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,056,155.60 : 685,584,233.40 = 434,760,808.40 : x
  2. Step 2: Convert to fraction form
    457,056,155.60/685,584,233.40 = 434,760,808.40/x
  3. Step 3: Cross multiply
    457,056,155.60x = 685,584,233.40 × 434,760,808.40
  4. Step 4: Simplify right side
    457,056,155.60x = 298,065,155,539,278,272
  5. Step 5: Solve for x
    x = 298,065,155,539,278,272/457,056,155.60
  6. Step 6: Final answer
    x = 652,141,212.60

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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.