Home / 435,492,057.60-653,238,086.40-193,154,961.60

Finding the Fourth Proportional to 435,492,057.60, 653,238,086.40 and 193,154,961.60

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Solution

The fourth proportional to 435,492,057.60, 653,238,086.40 and 193,154,961.60 is: 289,732,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,492,057.60 : 653,238,086.40 = 193,154,961.60 : x
  2. Step 2: Convert to fraction form
    435,492,057.60/653,238,086.40 = 193,154,961.60/x
  3. Step 3: Cross multiply
    435,492,057.60x = 653,238,086.40 × 193,154,961.60
  4. Step 4: Simplify right side
    435,492,057.60x = 126,176,177,494,249,472
  5. Step 5: Solve for x
    x = 126,176,177,494,249,472/435,492,057.60
  6. Step 6: Final answer
    x = 289,732,442.40

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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.