Home / 451,584,642.41-677,395,332.12-215,112,600.18

Finding the Fourth Proportional to 451,584,642.41, 677,395,332.12 and 215,112,600.18

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Solution

The fourth proportional to 451,584,642.41, 677,395,332.12 and 215,112,600.18 is: 322,677,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,584,642.41 : 677,395,332.12 = 215,112,600.18 : x
  2. Step 2: Convert to fraction form
    451,584,642.41/677,395,332.12 = 215,112,600.18/x
  3. Step 3: Cross multiply
    451,584,642.41x = 677,395,332.12 × 215,112,600.18
  4. Step 4: Simplify right side
    451,584,642.41x = 145,716,271,242,934,528
  5. Step 5: Solve for x
    x = 145,716,271,242,934,528/451,584,642.41
  6. Step 6: Final answer
    x = 322,677,650.12

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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.