Home / 403,103,999.10-604,655,998.65-130,670,283.90

Finding the Fourth Proportional to 403,103,999.10, 604,655,998.65 and 130,670,283.90

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Solution

The fourth proportional to 403,103,999.10, 604,655,998.65 and 130,670,283.90 is: 196,005,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,103,999.10 : 604,655,998.65 = 130,670,283.90 : x
  2. Step 2: Convert to fraction form
    403,103,999.10/604,655,998.65 = 130,670,283.90/x
  3. Step 3: Cross multiply
    403,103,999.10x = 604,655,998.65 × 130,670,283.90
  4. Step 4: Simplify right side
    403,103,999.10x = 79,010,571,005,433,520
  5. Step 5: Solve for x
    x = 79,010,571,005,433,520/403,103,999.10
  6. Step 6: Final answer
    x = 196,005,425.85

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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.