Home / 256,618,132.80-384,927,199.20-249,059,860.80

Finding the Fourth Proportional to 256,618,132.80, 384,927,199.20 and 249,059,860.80

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Solution

The fourth proportional to 256,618,132.80, 384,927,199.20 and 249,059,860.80 is: 373,589,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,618,132.80 : 384,927,199.20 = 249,059,860.80 : x
  2. Step 2: Convert to fraction form
    256,618,132.80/384,927,199.20 = 249,059,860.80/x
  3. Step 3: Cross multiply
    256,618,132.80x = 384,927,199.20 × 249,059,860.80
  4. Step 4: Simplify right side
    256,618,132.80x = 95,869,914,650,885,872
  5. Step 5: Solve for x
    x = 95,869,914,650,885,872/256,618,132.80
  6. Step 6: Final answer
    x = 373,589,791.20

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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.