Home / 789,791,010.30-1,184,686,515.45-381,644,322.30

Finding the Fourth Proportional to 789,791,010.30, 1,184,686,515.45 and 381,644,322.30

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Solution

The fourth proportional to 789,791,010.30, 1,184,686,515.45 and 381,644,322.30 is: 572,466,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,791,010.30 : 1,184,686,515.45 = 381,644,322.30 : x
  2. Step 2: Convert to fraction form
    789,791,010.30/1,184,686,515.45 = 381,644,322.30/x
  3. Step 3: Cross multiply
    789,791,010.30x = 1,184,686,515.45 × 381,644,322.30
  4. Step 4: Simplify right side
    789,791,010.30x = 452,128,882,326,863,744
  5. Step 5: Solve for x
    x = 452,128,882,326,863,744/789,791,010.30
  6. Step 6: Final answer
    x = 572,466,483.45

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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.