Home / 1,641,864,345.40-2,265,744,794.28-889,171,420.96

Finding the Fourth Proportional to 1,641,864,345.40, 2,265,744,794.28 and 889,171,420.96

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Solution

The fourth proportional to 1,641,864,345.40, 2,265,744,794.28 and 889,171,420.96 is: 1,227,041,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,864,345.40 : 2,265,744,794.28 = 889,171,420.96 : x
  2. Step 2: Convert to fraction form
    1,641,864,345.40/2,265,744,794.28 = 889,171,420.96/x
  3. Step 3: Cross multiply
    1,641,864,345.40x = 2,265,744,794.28 × 889,171,420.96
  4. Step 4: Simplify right side
    1,641,864,345.40x = 2,014,635,518,262,670,848
  5. Step 5: Solve for x
    x = 2,014,635,518,262,670,848/1,641,864,345.40
  6. Step 6: Final answer
    x = 1,227,041,395.90

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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.