Home / 1,643,430,891.92-2,465,182,226.54-988,929,413.96

Finding the Fourth Proportional to 1,643,430,891.92, 2,465,182,226.54 and 988,929,413.96

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Solution

The fourth proportional to 1,643,430,891.92, 2,465,182,226.54 and 988,929,413.96 is: 1,483,415,716.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,430,891.92 : 2,465,182,226.54 = 988,929,413.96 : x
  2. Step 2: Convert to fraction form
    1,643,430,891.92/2,465,182,226.54 = 988,929,413.96/x
  3. Step 3: Cross multiply
    1,643,430,891.92x = 2,465,182,226.54 × 988,929,413.96
  4. Step 4: Simplify right side
    1,643,430,891.92x = 2,437,891,214,584,484,352
  5. Step 5: Solve for x
    x = 2,437,891,214,584,484,352/1,643,430,891.92
  6. Step 6: Final answer
    x = 1,483,415,716.83

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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.