Home / 3,460,818,805.76-5,191,228,268.61-840,605,254.79

Finding the Fourth Proportional to 3,460,818,805.76, 5,191,228,268.61 and 840,605,254.79

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Solution

The fourth proportional to 3,460,818,805.76, 5,191,228,268.61 and 840,605,254.79 is: 1,260,907,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460,818,805.76 : 5,191,228,268.61 = 840,605,254.79 : x
  2. Step 2: Convert to fraction form
    3,460,818,805.76/5,191,228,268.61 = 840,605,254.79/x
  3. Step 3: Cross multiply
    3,460,818,805.76x = 5,191,228,268.61 × 840,605,254.79
  4. Step 4: Simplify right side
    3,460,818,805.76x = 4,363,773,761,403,445,248
  5. Step 5: Solve for x
    x = 4,363,773,761,403,445,248/3,460,818,805.76
  6. Step 6: Final answer
    x = 1,260,907,896.75

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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.