Home / 1,138,003,701.23-1,570,479,610.34-636,233,626.34

Finding the Fourth Proportional to 1,138,003,701.23, 1,570,479,610.34 and 636,233,626.34

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Solution

The fourth proportional to 1,138,003,701.23, 1,570,479,610.34 and 636,233,626.34 is: 878,021,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,003,701.23 : 1,570,479,610.34 = 636,233,626.34 : x
  2. Step 2: Convert to fraction form
    1,138,003,701.23/1,570,479,610.34 = 636,233,626.34/x
  3. Step 3: Cross multiply
    1,138,003,701.23x = 1,570,479,610.34 × 636,233,626.34
  4. Step 4: Simplify right side
    1,138,003,701.23x = 999,191,937,586,367,616
  5. Step 5: Solve for x
    x = 999,191,937,586,367,616/1,138,003,701.23
  6. Step 6: Final answer
    x = 878,021,694.05

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Double scale
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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.