Home / 1,268,547,162.12-1,750,573,604.46-711,618,251.76

Finding the Fourth Proportional to 1,268,547,162.12, 1,750,573,604.46 and 711,618,251.76

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Solution

The fourth proportional to 1,268,547,162.12, 1,750,573,604.46 and 711,618,251.76 is: 982,021,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,547,162.12 : 1,750,573,604.46 = 711,618,251.76 : x
  2. Step 2: Convert to fraction form
    1,268,547,162.12/1,750,573,604.46 = 711,618,251.76/x
  3. Step 3: Cross multiply
    1,268,547,162.12x = 1,750,573,604.46 × 711,618,251.76
  4. Step 4: Simplify right side
    1,268,547,162.12x = 1,245,740,127,983,026,944
  5. Step 5: Solve for x
    x = 1,245,740,127,983,026,944/1,268,547,162.12
  6. Step 6: Final answer
    x = 982,021,138.18

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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.