Home / 1,492,403,893.20-2,238,605,839.80-715,649,727.60

Finding the Fourth Proportional to 1,492,403,893.20, 2,238,605,839.80 and 715,649,727.60

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Solution

The fourth proportional to 1,492,403,893.20, 2,238,605,839.80 and 715,649,727.60 is: 1,073,474,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,403,893.20 : 2,238,605,839.80 = 715,649,727.60 : x
  2. Step 2: Convert to fraction form
    1,492,403,893.20/2,238,605,839.80 = 715,649,727.60/x
  3. Step 3: Cross multiply
    1,492,403,893.20x = 2,238,605,839.80 × 715,649,727.60
  4. Step 4: Simplify right side
    1,492,403,893.20x = 1,602,057,659,456,639,488
  5. Step 5: Solve for x
    x = 1,602,057,659,456,639,488/1,492,403,893.20
  6. Step 6: Final answer
    x = 1,073,474,591.40

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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.