Home / 1,438,179,839.16-1,984,123,483.60-835,247,825.40

Finding the Fourth Proportional to 1,438,179,839.16, 1,984,123,483.60 and 835,247,825.40

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Solution

The fourth proportional to 1,438,179,839.16, 1,984,123,483.60 and 835,247,825.40 is: 1,152,314,042.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,179,839.16 : 1,984,123,483.60 = 835,247,825.40 : x
  2. Step 2: Convert to fraction form
    1,438,179,839.16/1,984,123,483.60 = 835,247,825.40/x
  3. Step 3: Cross multiply
    1,438,179,839.16x = 1,984,123,483.60 × 835,247,825.40
  4. Step 4: Simplify right side
    1,438,179,839.16x = 1,657,234,825,001,972,480
  5. Step 5: Solve for x
    x = 1,657,234,825,001,972,480/1,438,179,839.16
  6. Step 6: Final answer
    x = 1,152,314,042.99

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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.