Home / 1,210,630,676.52-1,814,475,251.80-656,619,377.28

Finding the Fourth Proportional to 1,210,630,676.52, 1,814,475,251.80 and 656,619,377.28

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Solution

The fourth proportional to 1,210,630,676.52, 1,814,475,251.80 and 656,619,377.28 is: 984,131,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,630,676.52 : 1,814,475,251.80 = 656,619,377.28 : x
  2. Step 2: Convert to fraction form
    1,210,630,676.52/1,814,475,251.80 = 656,619,377.28/x
  3. Step 3: Cross multiply
    1,210,630,676.52x = 1,814,475,251.80 × 656,619,377.28
  4. Step 4: Simplify right side
    1,210,630,676.52x = 1,191,419,609,926,887,168
  5. Step 5: Solve for x
    x = 1,191,419,609,926,887,168/1,210,630,676.52
  6. Step 6: Final answer
    x = 984,131,356.52

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1.5x scale

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.