Home / 1,012,555,124.42-1,397,241,608.01-938,521,850.18

Finding the Fourth Proportional to 1,012,555,124.42, 1,397,241,608.01 and 938,521,850.18

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Solution

The fourth proportional to 1,012,555,124.42, 1,397,241,608.01 and 938,521,850.18 is: 1,295,081,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,555,124.42 : 1,397,241,608.01 = 938,521,850.18 : x
  2. Step 2: Convert to fraction form
    1,012,555,124.42/1,397,241,608.01 = 938,521,850.18/x
  3. Step 3: Cross multiply
    1,012,555,124.42x = 1,397,241,608.01 × 938,521,850.18
  4. Step 4: Simplify right side
    1,012,555,124.42x = 1,311,341,779,098,023,424
  5. Step 5: Solve for x
    x = 1,311,341,779,098,023,424/1,012,555,124.42
  6. Step 6: Final answer
    x = 1,295,081,865.15

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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.