Home / 1,955,690,999.10-2,933,536,498.65-645,795,222.30

Finding the Fourth Proportional to 1,955,690,999.10, 2,933,536,498.65 and 645,795,222.30

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Solution

The fourth proportional to 1,955,690,999.10, 2,933,536,498.65 and 645,795,222.30 is: 968,692,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,690,999.10 : 2,933,536,498.65 = 645,795,222.30 : x
  2. Step 2: Convert to fraction form
    1,955,690,999.10/2,933,536,498.65 = 645,795,222.30/x
  3. Step 3: Cross multiply
    1,955,690,999.10x = 2,933,536,498.65 × 645,795,222.30
  4. Step 4: Simplify right side
    1,955,690,999.10x = 1,894,463,855,270,840,320
  5. Step 5: Solve for x
    x = 1,894,463,855,270,840,320/1,955,690,999.10
  6. Step 6: Final answer
    x = 968,692,833.45

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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.