Home / 1,815,285,253.25-2,505,068,185.25-1,011,546,626.70

Finding the Fourth Proportional to 1,815,285,253.25, 2,505,068,185.25 and 1,011,546,626.70

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Solution

The fourth proportional to 1,815,285,253.25, 2,505,068,185.25 and 1,011,546,626.70 is: 1,395,920,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,285,253.25 : 2,505,068,185.25 = 1,011,546,626.70 : x
  2. Step 2: Convert to fraction form
    1,815,285,253.25/2,505,068,185.25 = 1,011,546,626.70/x
  3. Step 3: Cross multiply
    1,815,285,253.25x = 2,505,068,185.25 × 1,011,546,626.70
  4. Step 4: Simplify right side
    1,815,285,253.25x = 2,533,993,272,455,176,192
  5. Step 5: Solve for x
    x = 2,533,993,272,455,176,192/1,815,285,253.25
  6. Step 6: Final answer
    x = 1,395,920,155.21

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Double scale
Find fourth proportional to 1,815,285,254.25, 2,505,068,186.63 and 1,011,546,627.70
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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.