Home / 3,931,887,299.18-5,426,004,265.35-2,123,398,994.38

Finding the Fourth Proportional to 3,931,887,299.18, 5,426,004,265.35 and 2,123,398,994.38

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Solution

The fourth proportional to 3,931,887,299.18, 5,426,004,265.35 and 2,123,398,994.38 is: 2,930,290,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,887,299.18 : 5,426,004,265.35 = 2,123,398,994.38 : x
  2. Step 2: Convert to fraction form
    3,931,887,299.18/5,426,004,265.35 = 2,123,398,994.38/x
  3. Step 3: Cross multiply
    3,931,887,299.18x = 5,426,004,265.35 × 2,123,398,994.38
  4. Step 4: Simplify right side
    3,931,887,299.18x = 11,521,572,000,554,649,600
  5. Step 5: Solve for x
    x = 11,521,572,000,554,649,600/3,931,887,299.18
  6. Step 6: Final answer
    x = 2,930,290,500.18

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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.