Home / 435,461,821.20-653,491,330.20-193,298,518.80

Finding the Fourth Proportional to 435,461,821.20, 653,491,330.20 and 193,298,518.80

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Solution

The fourth proportional to 435,461,821.20, 653,491,330.20 and 193,298,518.80 is: 290,080,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,461,821.20 : 653,491,330.20 = 193,298,518.80 : x
  2. Step 2: Convert to fraction form
    435,461,821.20/653,491,330.20 = 193,298,518.80/x
  3. Step 3: Cross multiply
    435,461,821.20x = 653,491,330.20 × 193,298,518.80
  4. Step 4: Simplify right side
    435,461,821.20x = 126,318,906,176,301,728
  5. Step 5: Solve for x
    x = 126,318,906,176,301,728/435,461,821.20
  6. Step 6: Final answer
    x = 290,080,323.98

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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.