Home / 434,316,778.60-651,569,646.30-143,134,349.80

Finding the Fourth Proportional to 434,316,778.60, 651,569,646.30 and 143,134,349.80

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Solution

The fourth proportional to 434,316,778.60, 651,569,646.30 and 143,134,349.80 is: 214,732,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,316,778.60 : 651,569,646.30 = 143,134,349.80 : x
  2. Step 2: Convert to fraction form
    434,316,778.60/651,569,646.30 = 143,134,349.80/x
  3. Step 3: Cross multiply
    434,316,778.60x = 651,569,646.30 × 143,134,349.80
  4. Step 4: Simplify right side
    434,316,778.60x = 93,261,997,672,566,480
  5. Step 5: Solve for x
    x = 93,261,997,672,566,480/434,316,778.60
  6. Step 6: Final answer
    x = 214,732,661.20

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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.