Home / 1,311,217,983,527.80-1,809,359,385,488.10-725,255,217,621.70

Finding the Fourth Proportional to 1,311,217,983,527.80, 1,809,359,385,488.10 and 725,255,217,621.70

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Solution

The fourth proportional to 1,311,217,983,527.80, 1,809,359,385,488.10 and 725,255,217,621.70 is: 1,000,785,034,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,217,983,527.80 : 1,809,359,385,488.10 = 725,255,217,621.70 : x
  2. Step 2: Convert to fraction form
    1,311,217,983,527.80/1,809,359,385,488.10 = 725,255,217,621.70/x
  3. Step 3: Cross multiply
    1,311,217,983,527.80x = 1,809,359,385,488.10 × 725,255,217,621.70
  4. Step 4: Simplify right side
    1,311,217,983,527.80x = 1,312,247,334,878,037,336,391,680
  5. Step 5: Solve for x
    x = 1,312,247,334,878,037,336,391,680/1,311,217,983,527.80
  6. Step 6: Final answer
    x = 1,000,785,034,497.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.