Home / 1,315,081,024.68-1,814,123,767.68-813,129,353.64

Finding the Fourth Proportional to 1,315,081,024.68, 1,814,123,767.68 and 813,129,353.64

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Solution

The fourth proportional to 1,315,081,024.68, 1,814,123,767.68 and 813,129,353.64 is: 1,121,693,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,081,024.68 : 1,814,123,767.68 = 813,129,353.64 : x
  2. Step 2: Convert to fraction form
    1,315,081,024.68/1,814,123,767.68 = 813,129,353.64/x
  3. Step 3: Cross multiply
    1,315,081,024.68x = 1,814,123,767.68 × 813,129,353.64
  4. Step 4: Simplify right side
    1,315,081,024.68x = 1,475,117,286,636,600,064
  5. Step 5: Solve for x
    x = 1,475,117,286,636,600,064/1,315,081,024.68
  6. Step 6: Final answer
    x = 1,121,693,081.23

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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.