Home / 1,067,325,538.81-1,472,828,824.08-649,591,655.17

Finding the Fourth Proportional to 1,067,325,538.81, 1,472,828,824.08 and 649,591,655.17

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Solution

The fourth proportional to 1,067,325,538.81, 1,472,828,824.08 and 649,591,655.17 is: 896,387,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,325,538.81 : 1,472,828,824.08 = 649,591,655.17 : x
  2. Step 2: Convert to fraction form
    1,067,325,538.81/1,472,828,824.08 = 649,591,655.17/x
  3. Step 3: Cross multiply
    1,067,325,538.81x = 1,472,828,824.08 × 649,591,655.17
  4. Step 4: Simplify right side
    1,067,325,538.81x = 956,737,313,616,211,840
  5. Step 5: Solve for x
    x = 956,737,313,616,211,840/1,067,325,538.81
  6. Step 6: Final answer
    x = 896,387,539.53

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Double scale
Find fourth proportional to 1,067,325,539.81, 1,472,828,825.46 and 649,591,656.17
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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.