Home / 1,376,955,154.94-1,900,204,548.76-782,272,271.13

Finding the Fourth Proportional to 1,376,955,154.94, 1,900,204,548.76 and 782,272,271.13

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Solution

The fourth proportional to 1,376,955,154.94, 1,900,204,548.76 and 782,272,271.13 is: 1,079,539,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,955,154.94 : 1,900,204,548.76 = 782,272,271.13 : x
  2. Step 2: Convert to fraction form
    1,376,955,154.94/1,900,204,548.76 = 782,272,271.13/x
  3. Step 3: Cross multiply
    1,376,955,154.94x = 1,900,204,548.76 × 782,272,271.13
  4. Step 4: Simplify right side
    1,376,955,154.94x = 1,486,477,327,970,042,112
  5. Step 5: Solve for x
    x = 1,486,477,327,970,042,112/1,376,955,154.94
  6. Step 6: Final answer
    x = 1,079,539,389.96

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Double scale
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1.5x scale

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.