Home / 1,246,420,641.06-1,720,101,258.77-681,892,426.56

Finding the Fourth Proportional to 1,246,420,641.06, 1,720,101,258.77 and 681,892,426.56

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Solution

The fourth proportional to 1,246,420,641.06, 1,720,101,258.77 and 681,892,426.56 is: 941,033,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,420,641.06 : 1,720,101,258.77 = 681,892,426.56 : x
  2. Step 2: Convert to fraction form
    1,246,420,641.06/1,720,101,258.77 = 681,892,426.56/x
  3. Step 3: Cross multiply
    1,246,420,641.06x = 1,720,101,258.77 × 681,892,426.56
  4. Step 4: Simplify right side
    1,246,420,641.06x = 1,172,924,021,276,081,920
  5. Step 5: Solve for x
    x = 1,172,924,021,276,081,920/1,246,420,641.06
  6. Step 6: Final answer
    x = 941,033,855.38

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Half scale
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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.