Home / 1,260,752,129.90-1,892,275,789.04-671,037,461.72

Finding the Fourth Proportional to 1,260,752,129.90, 1,892,275,789.04 and 671,037,461.72

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Solution

The fourth proportional to 1,260,752,129.90, 1,892,275,789.04 and 671,037,461.72 is: 1,007,167,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,752,129.90 : 1,892,275,789.04 = 671,037,461.72 : x
  2. Step 2: Convert to fraction form
    1,260,752,129.90/1,892,275,789.04 = 671,037,461.72/x
  3. Step 3: Cross multiply
    1,260,752,129.90x = 1,892,275,789.04 × 671,037,461.72
  4. Step 4: Simplify right side
    1,260,752,129.90x = 1,269,787,942,348,441,088
  5. Step 5: Solve for x
    x = 1,269,787,942,348,441,088/1,260,752,129.90
  6. Step 6: Final answer
    x = 1,007,167,001.53

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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.