Home / 1,370,472,314.29-1,891,246,525.23-743,935,261.75

Finding the Fourth Proportional to 1,370,472,314.29, 1,891,246,525.23 and 743,935,261.75

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Solution

The fourth proportional to 1,370,472,314.29, 1,891,246,525.23 and 743,935,261.75 is: 1,026,627,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,472,314.29 : 1,891,246,525.23 = 743,935,261.75 : x
  2. Step 2: Convert to fraction form
    1,370,472,314.29/1,891,246,525.23 = 743,935,261.75/x
  3. Step 3: Cross multiply
    1,370,472,314.29x = 1,891,246,525.23 × 743,935,261.75
  4. Step 4: Simplify right side
    1,370,472,314.29x = 1,406,964,978,778,820,352
  5. Step 5: Solve for x
    x = 1,406,964,978,778,820,352/1,370,472,314.29
  6. Step 6: Final answer
    x = 1,026,627,801.31

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Double scale
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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.