Home / 1,765,839,512.79-2,648,671,218.63-660,363,096.15

Finding the Fourth Proportional to 1,765,839,512.79, 2,648,671,218.63 and 660,363,096.15

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Solution

The fourth proportional to 1,765,839,512.79, 2,648,671,218.63 and 660,363,096.15 is: 990,511,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,839,512.79 : 2,648,671,218.63 = 660,363,096.15 : x
  2. Step 2: Convert to fraction form
    1,765,839,512.79/2,648,671,218.63 = 660,363,096.15/x
  3. Step 3: Cross multiply
    1,765,839,512.79x = 2,648,671,218.63 × 660,363,096.15
  4. Step 4: Simplify right side
    1,765,839,512.79x = 1,749,084,726,617,900,288
  5. Step 5: Solve for x
    x = 1,749,084,726,617,900,288/1,765,839,512.79
  6. Step 6: Final answer
    x = 990,511,716.35

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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.