Home / 284,718,687.60-427,078,031.40-193,347,577.20

Finding the Fourth Proportional to 284,718,687.60, 427,078,031.40 and 193,347,577.20

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Solution

The fourth proportional to 284,718,687.60, 427,078,031.40 and 193,347,577.20 is: 290,021,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,718,687.60 : 427,078,031.40 = 193,347,577.20 : x
  2. Step 2: Convert to fraction form
    284,718,687.60/427,078,031.40 = 193,347,577.20/x
  3. Step 3: Cross multiply
    284,718,687.60x = 427,078,031.40 × 193,347,577.20
  4. Step 4: Simplify right side
    284,718,687.60x = 82,574,502,646,535,520
  5. Step 5: Solve for x
    x = 82,574,502,646,535,520/284,718,687.60
  6. Step 6: Final answer
    x = 290,021,365.80

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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.