Home / 1,537,468,265.36-2,121,695,641.38-832,604,116.78

Finding the Fourth Proportional to 1,537,468,265.36, 2,121,695,641.38 and 832,604,116.78

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Solution

The fourth proportional to 1,537,468,265.36, 2,121,695,641.38 and 832,604,116.78 is: 1,148,987,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,468,265.36 : 2,121,695,641.38 = 832,604,116.78 : x
  2. Step 2: Convert to fraction form
    1,537,468,265.36/2,121,695,641.38 = 832,604,116.78/x
  3. Step 3: Cross multiply
    1,537,468,265.36x = 2,121,695,641.38 × 832,604,116.78
  4. Step 4: Simplify right side
    1,537,468,265.36x = 1,766,532,525,567,170,560
  5. Step 5: Solve for x
    x = 1,766,532,525,567,170,560/1,537,468,265.36
  6. Step 6: Final answer
    x = 1,148,987,959.86

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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.