Home / 827,142,029.65-1,240,713,044.48-736,743,915.55

Finding the Fourth Proportional to 827,142,029.65, 1,240,713,044.48 and 736,743,915.55

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Solution

The fourth proportional to 827,142,029.65, 1,240,713,044.48 and 736,743,915.55 is: 1,105,115,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,142,029.65 : 1,240,713,044.48 = 736,743,915.55 : x
  2. Step 2: Convert to fraction form
    827,142,029.65/1,240,713,044.48 = 736,743,915.55/x
  3. Step 3: Cross multiply
    827,142,029.65x = 1,240,713,044.48 × 736,743,915.55
  4. Step 4: Simplify right side
    827,142,029.65x = 914,087,786,464,156,416
  5. Step 5: Solve for x
    x = 914,087,786,464,156,416/827,142,029.65
  6. Step 6: Final answer
    x = 1,105,115,873.33

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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.