Home / 1,243,068,886.20-1,864,603,329.30-834,320,854.20

Finding the Fourth Proportional to 1,243,068,886.20, 1,864,603,329.30 and 834,320,854.20

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Solution

The fourth proportional to 1,243,068,886.20, 1,864,603,329.30 and 834,320,854.20 is: 1,251,481,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,068,886.20 : 1,864,603,329.30 = 834,320,854.20 : x
  2. Step 2: Convert to fraction form
    1,243,068,886.20/1,864,603,329.30 = 834,320,854.20/x
  3. Step 3: Cross multiply
    1,243,068,886.20x = 1,864,603,329.30 × 834,320,854.20
  4. Step 4: Simplify right side
    1,243,068,886.20x = 1,555,677,442,445,740,032
  5. Step 5: Solve for x
    x = 1,555,677,442,445,740,032/1,243,068,886.20
  6. Step 6: Final answer
    x = 1,251,481,281.30

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1.5x scale

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.