Home / 1,360,413,161.92-2,040,943,545.36-440,289,501.76

Finding the Fourth Proportional to 1,360,413,161.92, 2,040,943,545.36 and 440,289,501.76

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Solution

The fourth proportional to 1,360,413,161.92, 2,040,943,545.36 and 440,289,501.76 is: 660,539,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,413,161.92 : 2,040,943,545.36 = 440,289,501.76 : x
  2. Step 2: Convert to fraction form
    1,360,413,161.92/2,040,943,545.36 = 440,289,501.76/x
  3. Step 3: Cross multiply
    1,360,413,161.92x = 2,040,943,545.36 × 440,289,501.76
  4. Step 4: Simplify right side
    1,360,413,161.92x = 898,606,016,706,842,240
  5. Step 5: Solve for x
    x = 898,606,016,706,842,240/1,360,413,161.92
  6. Step 6: Final answer
    x = 660,539,049.36

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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.