Home / 900,965,403.48-1,351,959,345.54-486,436,704.60

Finding the Fourth Proportional to 900,965,403.48, 1,351,959,345.54 and 486,436,704.60

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Solution

The fourth proportional to 900,965,403.48, 1,351,959,345.54 and 486,436,704.60 is: 729,931,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,965,403.48 : 1,351,959,345.54 = 486,436,704.60 : x
  2. Step 2: Convert to fraction form
    900,965,403.48/1,351,959,345.54 = 486,436,704.60/x
  3. Step 3: Cross multiply
    900,965,403.48x = 1,351,959,345.54 × 486,436,704.60
  4. Step 4: Simplify right side
    900,965,403.48x = 657,642,648,797,650,304
  5. Step 5: Solve for x
    x = 657,642,648,797,650,304/900,965,403.48
  6. Step 6: Final answer
    x = 729,931,078.66

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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.