Home / 1,938,623,308.28-2,906,914,595.70-1,325,382,909.56

Finding the Fourth Proportional to 1,938,623,308.28, 2,906,914,595.70 and 1,325,382,909.56

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Solution

The fourth proportional to 1,938,623,308.28, 2,906,914,595.70 and 1,325,382,909.56 is: 1,987,376,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,623,308.28 : 2,906,914,595.70 = 1,325,382,909.56 : x
  2. Step 2: Convert to fraction form
    1,938,623,308.28/2,906,914,595.70 = 1,325,382,909.56/x
  3. Step 3: Cross multiply
    1,938,623,308.28x = 2,906,914,595.70 × 1,325,382,909.56
  4. Step 4: Simplify right side
    1,938,623,308.28x = 3,852,774,924,691,296,768
  5. Step 5: Solve for x
    x = 3,852,774,924,691,296,768/1,938,623,308.28
  6. Step 6: Final answer
    x = 1,987,376,767.95

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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.