Home / 447,584,458.10-671,467,488.15-140,805,220.10

Finding the Fourth Proportional to 447,584,458.10, 671,467,488.15 and 140,805,220.10

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Solution

The fourth proportional to 447,584,458.10, 671,467,488.15 and 140,805,220.10 is: 211,236,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,584,458.10 : 671,467,488.15 = 140,805,220.10 : x
  2. Step 2: Convert to fraction form
    447,584,458.10/671,467,488.15 = 140,805,220.10/x
  3. Step 3: Cross multiply
    447,584,458.10x = 671,467,488.15 × 140,805,220.10
  4. Step 4: Simplify right side
    447,584,458.10x = 94,546,127,458,954,880
  5. Step 5: Solve for x
    x = 94,546,127,458,954,880/447,584,458.10
  6. Step 6: Final answer
    x = 211,236,395.16

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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.