Home / 1,304,957,563.76-1,800,856,158.84-710,245,855.52

Finding the Fourth Proportional to 1,304,957,563.76, 1,800,856,158.84 and 710,245,855.52

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Solution

The fourth proportional to 1,304,957,563.76, 1,800,856,158.84 and 710,245,855.52 is: 980,147,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,957,563.76 : 1,800,856,158.84 = 710,245,855.52 : x
  2. Step 2: Convert to fraction form
    1,304,957,563.76/1,800,856,158.84 = 710,245,855.52/x
  3. Step 3: Cross multiply
    1,304,957,563.76x = 1,800,856,158.84 × 710,245,855.52
  4. Step 4: Simplify right side
    1,304,957,563.76x = 1,279,050,623,203,776,768
  5. Step 5: Solve for x
    x = 1,279,050,623,203,776,768/1,304,957,563.76
  6. Step 6: Final answer
    x = 980,147,292.70

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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.