Home / 434,316,817.60-651,569,704.80-143,134,388.80

Finding the Fourth Proportional to 434,316,817.60, 651,569,704.80 and 143,134,388.80

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Solution

The fourth proportional to 434,316,817.60, 651,569,704.80 and 143,134,388.80 is: 214,732,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,316,817.60 : 651,569,704.80 = 143,134,388.80 : x
  2. Step 2: Convert to fraction form
    434,316,817.60/651,569,704.80 = 143,134,388.80/x
  3. Step 3: Cross multiply
    434,316,817.60x = 651,569,704.80 × 143,134,388.80
  4. Step 4: Simplify right side
    434,316,817.60x = 93,262,031,457,144,432
  5. Step 5: Solve for x
    x = 93,262,031,457,144,432/434,316,817.60
  6. Step 6: Final answer
    x = 214,732,719.71

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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.