Home / 1,979,963,394.39-2,968,098,759.56-668,948,602.19

Finding the Fourth Proportional to 1,979,963,394.39, 2,968,098,759.56 and 668,948,602.19

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Solution

The fourth proportional to 1,979,963,394.39, 2,968,098,759.56 and 668,948,602.19 is: 1,002,799,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,963,394.39 : 2,968,098,759.56 = 668,948,602.19 : x
  2. Step 2: Convert to fraction form
    1,979,963,394.39/2,968,098,759.56 = 668,948,602.19/x
  3. Step 3: Cross multiply
    1,979,963,394.39x = 2,968,098,759.56 × 668,948,602.19
  4. Step 4: Simplify right side
    1,979,963,394.39x = 1,985,505,516,356,366,592
  5. Step 5: Solve for x
    x = 1,985,505,516,356,366,592/1,979,963,394.39
  6. Step 6: Final answer
    x = 1,002,799,103.25

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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.