Home / 1,249,912,101.12-1,874,970,386.72-627,807,451.20

Finding the Fourth Proportional to 1,249,912,101.12, 1,874,970,386.72 and 627,807,451.20

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Solution

The fourth proportional to 1,249,912,101.12, 1,874,970,386.72 and 627,807,451.20 is: 941,762,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,912,101.12 : 1,874,970,386.72 = 627,807,451.20 : x
  2. Step 2: Convert to fraction form
    1,249,912,101.12/1,874,970,386.72 = 627,807,451.20/x
  3. Step 3: Cross multiply
    1,249,912,101.12x = 1,874,970,386.72 × 627,807,451.20
  4. Step 4: Simplify right side
    1,249,912,101.12x = 1,177,120,379,562,161,664
  5. Step 5: Solve for x
    x = 1,177,120,379,562,161,664/1,249,912,101.12
  6. Step 6: Final answer
    x = 941,762,527.55

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Double scale
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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.