Home / 6,279,565,646.40-8,665,410,133.80-3,460,015,787.28

Finding the Fourth Proportional to 6,279,565,646.40, 8,665,410,133.80 and 3,460,015,787.28

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Solution

The fourth proportional to 6,279,565,646.40, 8,665,410,133.80 and 3,460,015,787.28 is: 4,774,606,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279,565,646.40 : 8,665,410,133.80 = 3,460,015,787.28 : x
  2. Step 2: Convert to fraction form
    6,279,565,646.40/8,665,410,133.80 = 3,460,015,787.28/x
  3. Step 3: Cross multiply
    6,279,565,646.40x = 8,665,410,133.80 × 3,460,015,787.28
  4. Step 4: Simplify right side
    6,279,565,646.40x = 29,982,455,866,204,094,464
  5. Step 5: Solve for x
    x = 29,982,455,866,204,094,464/6,279,565,646.40
  6. Step 6: Final answer
    x = 4,774,606,645.51

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1.5x scale

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.