Home / 1,412,338,531.55-2,119,816,815.42-713,321,560.58

Finding the Fourth Proportional to 1,412,338,531.55, 2,119,816,815.42 and 713,321,560.58

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Solution

The fourth proportional to 1,412,338,531.55, 2,119,816,815.42 and 713,321,560.58 is: 1,070,643,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,338,531.55 : 2,119,816,815.42 = 713,321,560.58 : x
  2. Step 2: Convert to fraction form
    1,412,338,531.55/2,119,816,815.42 = 713,321,560.58/x
  3. Step 3: Cross multiply
    1,412,338,531.55x = 2,119,816,815.42 × 713,321,560.58
  4. Step 4: Simplify right side
    1,412,338,531.55x = 1,512,111,038,919,120,384
  5. Step 5: Solve for x
    x = 1,512,111,038,919,120,384/1,412,338,531.55
  6. Step 6: Final answer
    x = 1,070,643,478.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.