Home / 677,849,458.40-1,016,774,187.60-186,561,778.40

Finding the Fourth Proportional to 677,849,458.40, 1,016,774,187.60 and 186,561,778.40

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Solution

The fourth proportional to 677,849,458.40, 1,016,774,187.60 and 186,561,778.40 is: 279,842,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,849,458.40 : 1,016,774,187.60 = 186,561,778.40 : x
  2. Step 2: Convert to fraction form
    677,849,458.40/1,016,774,187.60 = 186,561,778.40/x
  3. Step 3: Cross multiply
    677,849,458.40x = 1,016,774,187.60 × 186,561,778.40
  4. Step 4: Simplify right side
    677,849,458.40x = 189,691,200,669,871,232
  5. Step 5: Solve for x
    x = 189,691,200,669,871,232/677,849,458.40
  6. Step 6: Final answer
    x = 279,842,667.60

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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.