Home / 1,225,569,093.20-1,691,283,045.48-668,652,517.52

Finding the Fourth Proportional to 1,225,569,093.20, 1,691,283,045.48 and 668,652,517.52

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Solution

The fourth proportional to 1,225,569,093.20, 1,691,283,045.48 and 668,652,517.52 is: 922,739,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,569,093.20 : 1,691,283,045.48 = 668,652,517.52 : x
  2. Step 2: Convert to fraction form
    1,225,569,093.20/1,691,283,045.48 = 668,652,517.52/x
  3. Step 3: Cross multiply
    1,225,569,093.20x = 1,691,283,045.48 × 668,652,517.52
  4. Step 4: Simplify right side
    1,225,569,093.20x = 1,130,880,666,199,094,656
  5. Step 5: Solve for x
    x = 1,130,880,666,199,094,656/1,225,569,093.20
  6. Step 6: Final answer
    x = 922,739,217.62

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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.