Home / 872,293,972.88-1,308,452,356.23-290,028,218.41

Finding the Fourth Proportional to 872,293,972.88, 1,308,452,356.23 and 290,028,218.41

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Solution

The fourth proportional to 872,293,972.88, 1,308,452,356.23 and 290,028,218.41 is: 435,046,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,293,972.88 : 1,308,452,356.23 = 290,028,218.41 : x
  2. Step 2: Convert to fraction form
    872,293,972.88/1,308,452,356.23 = 290,028,218.41/x
  3. Step 3: Cross multiply
    872,293,972.88x = 1,308,452,356.23 × 290,028,218.41
  4. Step 4: Simplify right side
    872,293,972.88x = 379,488,105,748,482,496
  5. Step 5: Solve for x
    x = 379,488,105,748,482,496/872,293,972.88
  6. Step 6: Final answer
    x = 435,046,116.96

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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.