Home / 1,165,966,642.71-1,609,033,848.09-637,332,739.90

Finding the Fourth Proportional to 1,165,966,642.71, 1,609,033,848.09 and 637,332,739.90

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Solution

The fourth proportional to 1,165,966,642.71, 1,609,033,848.09 and 637,332,739.90 is: 879,519,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,966,642.71 : 1,609,033,848.09 = 637,332,739.90 : x
  2. Step 2: Convert to fraction form
    1,165,966,642.71/1,609,033,848.09 = 637,332,739.90/x
  3. Step 3: Cross multiply
    1,165,966,642.71x = 1,609,033,848.09 × 637,332,739.90
  4. Step 4: Simplify right side
    1,165,966,642.71x = 1,025,489,950,995,040,000
  5. Step 5: Solve for x
    x = 1,025,489,950,995,040,000/1,165,966,642.71
  6. Step 6: Final answer
    x = 879,519,116.10

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Why These Related Problems?

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