Home / 1,385,537,726.25-1,912,026,829.91-750,442,419.18

Finding the Fourth Proportional to 1,385,537,726.25, 1,912,026,829.91 and 750,442,419.18

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Solution

The fourth proportional to 1,385,537,726.25, 1,912,026,829.91 and 750,442,419.18 is: 1,035,602,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,537,726.25 : 1,912,026,829.91 = 750,442,419.18 : x
  2. Step 2: Convert to fraction form
    1,385,537,726.25/1,912,026,829.91 = 750,442,419.18/x
  3. Step 3: Cross multiply
    1,385,537,726.25x = 1,912,026,829.91 × 750,442,419.18
  4. Step 4: Simplify right side
    1,385,537,726.25x = 1,434,866,039,770,974,464
  5. Step 5: Solve for x
    x = 1,434,866,039,770,974,464/1,385,537,726.25
  6. Step 6: Final answer
    x = 1,035,602,288.26

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Double scale
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1.5x scale

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.