Home / 1,165,117,043.70-1,608,244,690.59-927,398,279.34

Finding the Fourth Proportional to 1,165,117,043.70, 1,608,244,690.59 and 927,398,279.34

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Solution

The fourth proportional to 1,165,117,043.70, 1,608,244,690.59 and 927,398,279.34 is: 1,280,114,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,117,043.70 : 1,608,244,690.59 = 927,398,279.34 : x
  2. Step 2: Convert to fraction form
    1,165,117,043.70/1,608,244,690.59 = 927,398,279.34/x
  3. Step 3: Cross multiply
    1,165,117,043.70x = 1,608,244,690.59 × 927,398,279.34
  4. Step 4: Simplify right side
    1,165,117,043.70x = 1,491,483,358,813,456,128
  5. Step 5: Solve for x
    x = 1,491,483,358,813,456,128/1,165,117,043.70
  6. Step 6: Final answer
    x = 1,280,114,617.56

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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.