Home / 1,010,406,015.70-1,515,609,023.55-683,888,665.30

Finding the Fourth Proportional to 1,010,406,015.70, 1,515,609,023.55 and 683,888,665.30

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Solution

The fourth proportional to 1,010,406,015.70, 1,515,609,023.55 and 683,888,665.30 is: 1,025,832,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,406,015.70 : 1,515,609,023.55 = 683,888,665.30 : x
  2. Step 2: Convert to fraction form
    1,010,406,015.70/1,515,609,023.55 = 683,888,665.30/x
  3. Step 3: Cross multiply
    1,010,406,015.70x = 1,515,609,023.55 × 683,888,665.30
  4. Step 4: Simplify right side
    1,010,406,015.70x = 1,036,507,832,232,245,632
  5. Step 5: Solve for x
    x = 1,036,507,832,232,245,632/1,010,406,015.70
  6. Step 6: Final answer
    x = 1,025,832,997.95

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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.