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Finding the Fourth Proportional to 883,062,000.15, 1,321,723,218.83 and 883,062,000.15

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Solution

The fourth proportional to 883,062,000.15, 1,321,723,218.83 and 883,062,000.15 is: 1,321,723,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,062,000.15 : 1,321,723,218.83 = 883,062,000.15 : x
  2. Step 2: Convert to fraction form
    883,062,000.15/1,321,723,218.83 = 883,062,000.15/x
  3. Step 3: Cross multiply
    883,062,000.15x = 1,321,723,218.83 × 883,062,000.15
  4. Step 4: Simplify right side
    883,062,000.15x = 1,167,163,549,260,300,544
  5. Step 5: Solve for x
    x = 1,167,163,549,260,300,544/883,062,000.15
  6. Step 6: Final answer
    x = 1,321,723,218.83

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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.