Home / 969,844,669.20-1,454,767,003.80-279,774,435.60

Finding the Fourth Proportional to 969,844,669.20, 1,454,767,003.80 and 279,774,435.60

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Solution

The fourth proportional to 969,844,669.20, 1,454,767,003.80 and 279,774,435.60 is: 419,661,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,844,669.20 : 1,454,767,003.80 = 279,774,435.60 : x
  2. Step 2: Convert to fraction form
    969,844,669.20/1,454,767,003.80 = 279,774,435.60/x
  3. Step 3: Cross multiply
    969,844,669.20x = 1,454,767,003.80 × 279,774,435.60
  4. Step 4: Simplify right side
    969,844,669.20x = 407,006,617,417,648,064
  5. Step 5: Solve for x
    x = 407,006,617,417,648,064/969,844,669.20
  6. Step 6: Final answer
    x = 419,661,653.40

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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.