Home / 2,830,947,029.60-4,247,456,018.15-1,317,317,864.95

Finding the Fourth Proportional to 2,830,947,029.60, 4,247,456,018.15 and 1,317,317,864.95

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Solution

The fourth proportional to 2,830,947,029.60, 4,247,456,018.15 and 1,317,317,864.95 is: 1,976,458,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,947,029.60 : 4,247,456,018.15 = 1,317,317,864.95 : x
  2. Step 2: Convert to fraction form
    2,830,947,029.60/4,247,456,018.15 = 1,317,317,864.95/x
  3. Step 3: Cross multiply
    2,830,947,029.60x = 4,247,456,018.15 × 1,317,317,864.95
  4. Step 4: Simplify right side
    2,830,947,029.60x = 5,595,249,693,307,201,536
  5. Step 5: Solve for x
    x = 5,595,249,693,307,201,536/2,830,947,029.60
  6. Step 6: Final answer
    x = 1,976,458,631.98

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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.