Home / 4,458,456,278.20-6,687,684,417.30-2,989,128,201.40

Finding the Fourth Proportional to 4,458,456,278.20, 6,687,684,417.30 and 2,989,128,201.40

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Solution

The fourth proportional to 4,458,456,278.20, 6,687,684,417.30 and 2,989,128,201.40 is: 4,483,692,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458,456,278.20 : 6,687,684,417.30 = 2,989,128,201.40 : x
  2. Step 2: Convert to fraction form
    4,458,456,278.20/6,687,684,417.30 = 2,989,128,201.40/x
  3. Step 3: Cross multiply
    4,458,456,278.20x = 6,687,684,417.30 × 2,989,128,201.40
  4. Step 4: Simplify right side
    4,458,456,278.20x = 19,990,346,093,814,755,328
  5. Step 5: Solve for x
    x = 19,990,346,093,814,755,328/4,458,456,278.20
  6. Step 6: Final answer
    x = 4,483,692,302.10

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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.