Home / 1,761,569,398.09-2,428,709,106.88-1,442,855,520.66

Finding the Fourth Proportional to 1,761,569,398.09, 2,428,709,106.88 and 1,442,855,520.66

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Solution

The fourth proportional to 1,761,569,398.09, 2,428,709,106.88 and 1,442,855,520.66 is: 1,989,292,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,569,398.09 : 2,428,709,106.88 = 1,442,855,520.66 : x
  2. Step 2: Convert to fraction form
    1,761,569,398.09/2,428,709,106.88 = 1,442,855,520.66/x
  3. Step 3: Cross multiply
    1,761,569,398.09x = 2,428,709,106.88 × 1,442,855,520.66
  4. Step 4: Simplify right side
    1,761,569,398.09x = 3,504,276,342,939,026,432
  5. Step 5: Solve for x
    x = 3,504,276,342,939,026,432/1,761,569,398.09
  6. Step 6: Final answer
    x = 1,989,292,245.16

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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.