Home / 1,397,807,127.20-2,098,054,383.60-708,492,720.80

Finding the Fourth Proportional to 1,397,807,127.20, 2,098,054,383.60 and 708,492,720.80

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Solution

The fourth proportional to 1,397,807,127.20, 2,098,054,383.60 and 708,492,720.80 is: 1,063,420,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,807,127.20 : 2,098,054,383.60 = 708,492,720.80 : x
  2. Step 2: Convert to fraction form
    1,397,807,127.20/2,098,054,383.60 = 708,492,720.80/x
  3. Step 3: Cross multiply
    1,397,807,127.20x = 2,098,054,383.60 × 708,492,720.80
  4. Step 4: Simplify right side
    1,397,807,127.20x = 1,486,456,258,623,130,624
  5. Step 5: Solve for x
    x = 1,486,456,258,623,130,624/1,397,807,127.20
  6. Step 6: Final answer
    x = 1,063,420,145.53

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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.