Home / 284,328,006.30-426,492,009.45-131,272,998.30

Finding the Fourth Proportional to 284,328,006.30, 426,492,009.45 and 131,272,998.30

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Solution

The fourth proportional to 284,328,006.30, 426,492,009.45 and 131,272,998.30 is: 196,909,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,328,006.30 : 426,492,009.45 = 131,272,998.30 : x
  2. Step 2: Convert to fraction form
    284,328,006.30/426,492,009.45 = 131,272,998.30/x
  3. Step 3: Cross multiply
    284,328,006.30x = 426,492,009.45 × 131,272,998.30
  4. Step 4: Simplify right side
    284,328,006.30x = 55,986,884,831,493,432
  5. Step 5: Solve for x
    x = 55,986,884,831,493,432/284,328,006.30
  6. Step 6: Final answer
    x = 196,909,497.45

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Similar ratio
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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.