Home / 1,330,683,920.80-1,996,025,881.20-814,123,268.80

Finding the Fourth Proportional to 1,330,683,920.80, 1,996,025,881.20 and 814,123,268.80

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Solution

The fourth proportional to 1,330,683,920.80, 1,996,025,881.20 and 814,123,268.80 is: 1,221,184,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,683,920.80 : 1,996,025,881.20 = 814,123,268.80 : x
  2. Step 2: Convert to fraction form
    1,330,683,920.80/1,996,025,881.20 = 814,123,268.80/x
  3. Step 3: Cross multiply
    1,330,683,920.80x = 1,996,025,881.20 × 814,123,268.80
  4. Step 4: Simplify right side
    1,330,683,920.80x = 1,625,011,115,011,944,448
  5. Step 5: Solve for x
    x = 1,625,011,115,011,944,448/1,330,683,920.80
  6. Step 6: Final answer
    x = 1,221,184,903.20

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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.