Home / 765,017,143.92-1,055,642,258.82-430,483,836.66

Finding the Fourth Proportional to 765,017,143.92, 1,055,642,258.82 and 430,483,836.66

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Solution

The fourth proportional to 765,017,143.92, 1,055,642,258.82 and 430,483,836.66 is: 594,021,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,017,143.92 : 1,055,642,258.82 = 430,483,836.66 : x
  2. Step 2: Convert to fraction form
    765,017,143.92/1,055,642,258.82 = 430,483,836.66/x
  3. Step 3: Cross multiply
    765,017,143.92x = 1,055,642,258.82 × 430,483,836.66
  4. Step 4: Simplify right side
    765,017,143.92x = 454,436,929,717,262,400
  5. Step 5: Solve for x
    x = 454,436,929,717,262,400/765,017,143.92
  6. Step 6: Final answer
    x = 594,021,890.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.