Home / 1,276,447,246.60-1,915,614,588.30-511,091,624.20

Finding the Fourth Proportional to 1,276,447,246.60, 1,915,614,588.30 and 511,091,624.20

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Solution

The fourth proportional to 1,276,447,246.60, 1,915,614,588.30 and 511,091,624.20 is: 767,015,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,447,246.60 : 1,915,614,588.30 = 511,091,624.20 : x
  2. Step 2: Convert to fraction form
    1,276,447,246.60/1,915,614,588.30 = 511,091,624.20/x
  3. Step 3: Cross multiply
    1,276,447,246.60x = 1,915,614,588.30 × 511,091,624.20
  4. Step 4: Simplify right side
    1,276,447,246.60x = 979,054,571,275,461,248
  5. Step 5: Solve for x
    x = 979,054,571,275,461,248/1,276,447,246.60
  6. Step 6: Final answer
    x = 767,015,302.73

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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.