Home / 827,142,043.40-1,240,713,065.10-736,743,929.30

Finding the Fourth Proportional to 827,142,043.40, 1,240,713,065.10 and 736,743,929.30

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Solution

The fourth proportional to 827,142,043.40, 1,240,713,065.10 and 736,743,929.30 is: 1,105,115,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,142,043.40 : 1,240,713,065.10 = 736,743,929.30 : x
  2. Step 2: Convert to fraction form
    827,142,043.40/1,240,713,065.10 = 736,743,929.30/x
  3. Step 3: Cross multiply
    827,142,043.40x = 1,240,713,065.10 × 736,743,929.30
  4. Step 4: Simplify right side
    827,142,043.40x = 914,087,818,715,620,608
  5. Step 5: Solve for x
    x = 914,087,818,715,620,608/827,142,043.40
  6. Step 6: Final answer
    x = 1,105,115,893.95

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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.