Home / 979,830,015.90-1,469,745,023.85-957,155,199.90

Finding the Fourth Proportional to 979,830,015.90, 1,469,745,023.85 and 957,155,199.90

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Solution

The fourth proportional to 979,830,015.90, 1,469,745,023.85 and 957,155,199.90 is: 1,435,732,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,830,015.90 : 1,469,745,023.85 = 957,155,199.90 : x
  2. Step 2: Convert to fraction form
    979,830,015.90/1,469,745,023.85 = 957,155,199.90/x
  3. Step 3: Cross multiply
    979,830,015.90x = 1,469,745,023.85 × 957,155,199.90
  4. Step 4: Simplify right side
    979,830,015.90x = 1,406,774,092,105,176,832
  5. Step 5: Solve for x
    x = 1,406,774,092,105,176,832/979,830,015.90
  6. Step 6: Final answer
    x = 1,435,732,799.85

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1.5x scale

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.