Home / 5,178,040,094.31-7,147,638,547.35-3,394,008,516.70

Finding the Fourth Proportional to 5,178,040,094.31, 7,147,638,547.35 and 3,394,008,516.70

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Solution

The fourth proportional to 5,178,040,094.31, 7,147,638,547.35 and 3,394,008,516.70 is: 4,685,005,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,040,094.31 : 7,147,638,547.35 = 3,394,008,516.70 : x
  2. Step 2: Convert to fraction form
    5,178,040,094.31/7,147,638,547.35 = 3,394,008,516.70/x
  3. Step 3: Cross multiply
    5,178,040,094.31x = 7,147,638,547.35 × 3,394,008,516.70
  4. Step 4: Simplify right side
    5,178,040,094.31x = 24,259,146,103,999,115,264
  5. Step 5: Solve for x
    x = 24,259,146,103,999,115,264/5,178,040,094.31
  6. Step 6: Final answer
    x = 4,685,005,458.08

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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.