Home / 1,231,092,155.12-1,697,637,344.81-1,053,065,367.68

Finding the Fourth Proportional to 1,231,092,155.12, 1,697,637,344.81 and 1,053,065,367.68

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Solution

The fourth proportional to 1,231,092,155.12, 1,697,637,344.81 and 1,053,065,367.68 is: 1,452,144,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,092,155.12 : 1,697,637,344.81 = 1,053,065,367.68 : x
  2. Step 2: Convert to fraction form
    1,231,092,155.12/1,697,637,344.81 = 1,053,065,367.68/x
  3. Step 3: Cross multiply
    1,231,092,155.12x = 1,697,637,344.81 × 1,053,065,367.68
  4. Step 4: Simplify right side
    1,231,092,155.12x = 1,787,723,094,685,888,000
  5. Step 5: Solve for x
    x = 1,787,723,094,685,888,000/1,231,092,155.12
  6. Step 6: Final answer
    x = 1,452,144,006.65

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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.