Home / 402,422,407.10-603,633,610.65-147,220,307.90

Finding the Fourth Proportional to 402,422,407.10, 603,633,610.65 and 147,220,307.90

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Solution

The fourth proportional to 402,422,407.10, 603,633,610.65 and 147,220,307.90 is: 220,830,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,422,407.10 : 603,633,610.65 = 147,220,307.90 : x
  2. Step 2: Convert to fraction form
    402,422,407.10/603,633,610.65 = 147,220,307.90/x
  3. Step 3: Cross multiply
    402,422,407.10x = 603,633,610.65 × 147,220,307.90
  4. Step 4: Simplify right side
    402,422,407.10x = 88,867,126,018,681,712
  5. Step 5: Solve for x
    x = 88,867,126,018,681,712/402,422,407.10
  6. Step 6: Final answer
    x = 220,830,461.85

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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.