Home / 1,260,752,130.46-1,892,275,789.88-671,037,462.28

Finding the Fourth Proportional to 1,260,752,130.46, 1,892,275,789.88 and 671,037,462.28

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Solution

The fourth proportional to 1,260,752,130.46, 1,892,275,789.88 and 671,037,462.28 is: 1,007,167,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,752,130.46 : 1,892,275,789.88 = 671,037,462.28 : x
  2. Step 2: Convert to fraction form
    1,260,752,130.46/1,892,275,789.88 = 671,037,462.28/x
  3. Step 3: Cross multiply
    1,260,752,130.46x = 1,892,275,789.88 × 671,037,462.28
  4. Step 4: Simplify right side
    1,260,752,130.46x = 1,269,787,943,979,000,576
  5. Step 5: Solve for x
    x = 1,269,787,943,979,000,576/1,260,752,130.46
  6. Step 6: Final answer
    x = 1,007,167,002.38

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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.