Home / 1,012,876,276.19-1,397,739,240.41-560,774,392.89

Finding the Fourth Proportional to 1,012,876,276.19, 1,397,739,240.41 and 560,774,392.89

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Solution

The fourth proportional to 1,012,876,276.19, 1,397,739,240.41 and 560,774,392.89 is: 773,852,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,876,276.19 : 1,397,739,240.41 = 560,774,392.89 : x
  2. Step 2: Convert to fraction form
    1,012,876,276.19/1,397,739,240.41 = 560,774,392.89/x
  3. Step 3: Cross multiply
    1,012,876,276.19x = 1,397,739,240.41 × 560,774,392.89
  4. Step 4: Simplify right side
    1,012,876,276.19x = 783,816,373,951,402,112
  5. Step 5: Solve for x
    x = 783,816,373,951,402,112/1,012,876,276.19
  6. Step 6: Final answer
    x = 773,852,041.34

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Double scale
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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.