Home / 1,334,115,419.40-1,840,005,768.60-1,172,834,560.08

Finding the Fourth Proportional to 1,334,115,419.40, 1,840,005,768.60 and 1,172,834,560.08

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Solution

The fourth proportional to 1,334,115,419.40, 1,840,005,768.60 and 1,172,834,560.08 is: 1,617,567,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,115,419.40 : 1,840,005,768.60 = 1,172,834,560.08 : x
  2. Step 2: Convert to fraction form
    1,334,115,419.40/1,840,005,768.60 = 1,172,834,560.08/x
  3. Step 3: Cross multiply
    1,334,115,419.40x = 1,840,005,768.60 × 1,172,834,560.08
  4. Step 4: Simplify right side
    1,334,115,419.40x = 2,158,022,356,160,643,072
  5. Step 5: Solve for x
    x = 2,158,022,356,160,643,072/1,334,115,419.40
  6. Step 6: Final answer
    x = 1,617,567,959.10

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Double scale
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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.