Home / 1,053,052,001.70-1,579,578,002.55-746,941,985.70

Finding the Fourth Proportional to 1,053,052,001.70, 1,579,578,002.55 and 746,941,985.70

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Solution

The fourth proportional to 1,053,052,001.70, 1,579,578,002.55 and 746,941,985.70 is: 1,120,412,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,052,001.70 : 1,579,578,002.55 = 746,941,985.70 : x
  2. Step 2: Convert to fraction form
    1,053,052,001.70/1,579,578,002.55 = 746,941,985.70/x
  3. Step 3: Cross multiply
    1,053,052,001.70x = 1,579,578,002.55 × 746,941,985.70
  4. Step 4: Simplify right side
    1,053,052,001.70x = 1,179,853,129,792,736,768
  5. Step 5: Solve for x
    x = 1,179,853,129,792,736,768/1,053,052,001.70
  6. Step 6: Final answer
    x = 1,120,412,978.55

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Double scale
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Similar ratio
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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.