Home / 1,159,725,034.20-1,600,420,808.18-638,204,266.20

Finding the Fourth Proportional to 1,159,725,034.20, 1,600,420,808.18 and 638,204,266.20

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Solution

The fourth proportional to 1,159,725,034.20, 1,600,420,808.18 and 638,204,266.20 is: 880,722,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,725,034.20 : 1,600,420,808.18 = 638,204,266.20 : x
  2. Step 2: Convert to fraction form
    1,159,725,034.20/1,600,420,808.18 = 638,204,266.20/x
  3. Step 3: Cross multiply
    1,159,725,034.20x = 1,600,420,808.18 × 638,204,266.20
  4. Step 4: Simplify right side
    1,159,725,034.20x = 1,021,395,387,495,728,000
  5. Step 5: Solve for x
    x = 1,021,395,387,495,728,000/1,159,725,034.20
  6. Step 6: Final answer
    x = 880,722,030.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.