Home / 1,420,946,597-1,960,806,758.54-826,188,886.12

Finding the Fourth Proportional to 1,420,946,597, 1,960,806,758.54 and 826,188,886.12

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Solution

The fourth proportional to 1,420,946,597, 1,960,806,758.54 and 826,188,886.12 is: 1,140,082,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,946,597 : 1,960,806,758.54 = 826,188,886.12 : x
  2. Step 2: Convert to fraction form
    1,420,946,597/1,960,806,758.54 = 826,188,886.12/x
  3. Step 3: Cross multiply
    1,420,946,597x = 1,960,806,758.54 × 826,188,886.12
  4. Step 4: Simplify right side
    1,420,946,597x = 1,619,996,751,734,730,496
  5. Step 5: Solve for x
    x = 1,619,996,751,734,730,496/1,420,946,597
  6. Step 6: Final answer
    x = 1,140,082,783.66

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1.5x scale

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.