Home / 3,931,887,299.74-5,426,004,266.12-2,123,398,994.94

Finding the Fourth Proportional to 3,931,887,299.74, 5,426,004,266.12 and 2,123,398,994.94

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Solution

The fourth proportional to 3,931,887,299.74, 5,426,004,266.12 and 2,123,398,994.94 is: 2,930,290,500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,887,299.74 : 5,426,004,266.12 = 2,123,398,994.94 : x
  2. Step 2: Convert to fraction form
    3,931,887,299.74/5,426,004,266.12 = 2,123,398,994.94/x
  3. Step 3: Cross multiply
    3,931,887,299.74x = 5,426,004,266.12 × 2,123,398,994.94
  4. Step 4: Simplify right side
    3,931,887,299.74x = 11,521,572,005,224,669,184
  5. Step 5: Solve for x
    x = 11,521,572,005,224,669,184/3,931,887,299.74
  6. Step 6: Final answer
    x = 2,930,290,500.95

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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.