Home / 868,920,322.66-1,199,101,615.04-472,443,306.82

Finding the Fourth Proportional to 868,920,322.66, 1,199,101,615.04 and 472,443,306.82

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Solution

The fourth proportional to 868,920,322.66, 1,199,101,615.04 and 472,443,306.82 is: 651,967,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,920,322.66 : 1,199,101,615.04 = 472,443,306.82 : x
  2. Step 2: Convert to fraction form
    868,920,322.66/1,199,101,615.04 = 472,443,306.82/x
  3. Step 3: Cross multiply
    868,920,322.66x = 1,199,101,615.04 × 472,443,306.82
  4. Step 4: Simplify right side
    868,920,322.66x = 566,507,532,222,700,224
  5. Step 5: Solve for x
    x = 566,507,532,222,700,224/868,920,322.66
  6. Step 6: Final answer
    x = 651,967,179.79

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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.