Home / 5,310,549,111.24-7,328,568,626.64-2,931,690,320.76

Finding the Fourth Proportional to 5,310,549,111.24, 7,328,568,626.64 and 2,931,690,320.76

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Solution

The fourth proportional to 5,310,549,111.24, 7,328,568,626.64 and 2,931,690,320.76 is: 4,045,738,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,549,111.24 : 7,328,568,626.64 = 2,931,690,320.76 : x
  2. Step 2: Convert to fraction form
    5,310,549,111.24/7,328,568,626.64 = 2,931,690,320.76/x
  3. Step 3: Cross multiply
    5,310,549,111.24x = 7,328,568,626.64 × 2,931,690,320.76
  4. Step 4: Simplify right side
    5,310,549,111.24x = 21,485,093,707,745,898,496
  5. Step 5: Solve for x
    x = 21,485,093,707,745,898,496/5,310,549,111.24
  6. Step 6: Final answer
    x = 4,045,738,634.12

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Double scale
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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.