Home / 1,919,278,049.40-2,878,917,074.10-1,628,712,682.65

Finding the Fourth Proportional to 1,919,278,049.40, 2,878,917,074.10 and 1,628,712,682.65

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Solution

The fourth proportional to 1,919,278,049.40, 2,878,917,074.10 and 1,628,712,682.65 is: 2,443,069,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,278,049.40 : 2,878,917,074.10 = 1,628,712,682.65 : x
  2. Step 2: Convert to fraction form
    1,919,278,049.40/2,878,917,074.10 = 1,628,712,682.65/x
  3. Step 3: Cross multiply
    1,919,278,049.40x = 2,878,917,074.10 × 1,628,712,682.65
  4. Step 4: Simplify right side
    1,919,278,049.40x = 4,688,928,750,884,299,776
  5. Step 5: Solve for x
    x = 4,688,928,750,884,299,776/1,919,278,049.40
  6. Step 6: Final answer
    x = 2,443,069,023.98

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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.