Home / 561,160,308.66-774,428,217.06-310,260,057.90

Finding the Fourth Proportional to 561,160,308.66, 774,428,217.06 and 310,260,057.90

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Solution

The fourth proportional to 561,160,308.66, 774,428,217.06 and 310,260,057.90 is: 428,173,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,160,308.66 : 774,428,217.06 = 310,260,057.90 : x
  2. Step 2: Convert to fraction form
    561,160,308.66/774,428,217.06 = 310,260,057.90/x
  3. Step 3: Cross multiply
    561,160,308.66x = 774,428,217.06 × 310,260,057.90
  4. Step 4: Simplify right side
    561,160,308.66x = 240,274,143,464,429,344
  5. Step 5: Solve for x
    x = 240,274,143,464,429,344/561,160,308.66
  6. Step 6: Final answer
    x = 428,173,803.02

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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.