Home / 284,176,670.40-426,265,005.60-192,343,665.60

Finding the Fourth Proportional to 284,176,670.40, 426,265,005.60 and 192,343,665.60

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Solution

The fourth proportional to 284,176,670.40, 426,265,005.60 and 192,343,665.60 is: 288,515,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,176,670.40 : 426,265,005.60 = 192,343,665.60 : x
  2. Step 2: Convert to fraction form
    284,176,670.40/426,265,005.60 = 192,343,665.60/x
  3. Step 3: Cross multiply
    284,176,670.40x = 426,265,005.60 × 192,343,665.60
  4. Step 4: Simplify right side
    284,176,670.40x = 81,989,373,694,108,528
  5. Step 5: Solve for x
    x = 81,989,373,694,108,528/284,176,670.40
  6. Step 6: Final answer
    x = 288,515,498.40

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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.