Home / 798,022,915.32-1,195,976,145.78-409,830,065.40

Finding the Fourth Proportional to 798,022,915.32, 1,195,976,145.78 and 409,830,065.40

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Solution

The fourth proportional to 798,022,915.32, 1,195,976,145.78 and 409,830,065.40 is: 614,201,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,022,915.32 : 1,195,976,145.78 = 409,830,065.40 : x
  2. Step 2: Convert to fraction form
    798,022,915.32/1,195,976,145.78 = 409,830,065.40/x
  3. Step 3: Cross multiply
    798,022,915.32x = 1,195,976,145.78 × 409,830,065.40
  4. Step 4: Simplify right side
    798,022,915.32x = 490,146,982,041,857,280
  5. Step 5: Solve for x
    x = 490,146,982,041,857,280/798,022,915.32
  6. Step 6: Final answer
    x = 614,201,638.36

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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.