Home / 221,976,858,699.68-306,275,563,281.15-125,632,945,158.66

Finding the Fourth Proportional to 221,976,858,699.68, 306,275,563,281.15 and 125,632,945,158.66

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Solution

The fourth proportional to 221,976,858,699.68, 306,275,563,281.15 and 125,632,945,158.66 is: 173,343,749,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,976,858,699.68 : 306,275,563,281.15 = 125,632,945,158.66 : x
  2. Step 2: Convert to fraction form
    221,976,858,699.68/306,275,563,281.15 = 125,632,945,158.66/x
  3. Step 3: Cross multiply
    221,976,858,699.68x = 306,275,563,281.15 × 125,632,945,158.66
  4. Step 4: Simplify right side
    221,976,858,699.68x = 38,478,301,045,138,422,497,280
  5. Step 5: Solve for x
    x = 38,478,301,045,138,422,497,280/221,976,858,699.68
  6. Step 6: Final answer
    x = 173,343,749,751.85

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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.