Home / 435,490,213.60-653,235,320.40-193,153,117.60

Finding the Fourth Proportional to 435,490,213.60, 653,235,320.40 and 193,153,117.60

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Solution

The fourth proportional to 435,490,213.60, 653,235,320.40 and 193,153,117.60 is: 289,729,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,490,213.60 : 653,235,320.40 = 193,153,117.60 : x
  2. Step 2: Convert to fraction form
    435,490,213.60/653,235,320.40 = 193,153,117.60/x
  3. Step 3: Cross multiply
    435,490,213.60x = 653,235,320.40 × 193,153,117.60
  4. Step 4: Simplify right side
    435,490,213.60x = 126,174,438,661,694,864
  5. Step 5: Solve for x
    x = 126,174,438,661,694,864/435,490,213.60
  6. Step 6: Final answer
    x = 289,729,676.40

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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.