Home / 435,492,034.20-653,238,051.30-217,813,800.60

Finding the Fourth Proportional to 435,492,034.20, 653,238,051.30 and 217,813,800.60

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Solution

The fourth proportional to 435,492,034.20, 653,238,051.30 and 217,813,800.60 is: 326,720,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,492,034.20 : 653,238,051.30 = 217,813,800.60 : x
  2. Step 2: Convert to fraction form
    435,492,034.20/653,238,051.30 = 217,813,800.60/x
  3. Step 3: Cross multiply
    435,492,034.20x = 653,238,051.30 × 217,813,800.60
  4. Step 4: Simplify right side
    435,492,034.20x = 142,284,262,650,190,752
  5. Step 5: Solve for x
    x = 142,284,262,650,190,752/435,492,034.20
  6. Step 6: Final answer
    x = 326,720,700.90

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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.