Home / 5,160,311,205.18-7,121,834,030.55-2,932,978,201.26

Finding the Fourth Proportional to 5,160,311,205.18, 7,121,834,030.55 and 2,932,978,201.26

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Solution

The fourth proportional to 5,160,311,205.18, 7,121,834,030.55 and 2,932,978,201.26 is: 4,047,853,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,311,205.18 : 7,121,834,030.55 = 2,932,978,201.26 : x
  2. Step 2: Convert to fraction form
    5,160,311,205.18/7,121,834,030.55 = 2,932,978,201.26/x
  3. Step 3: Cross multiply
    5,160,311,205.18x = 7,121,834,030.55 × 2,932,978,201.26
  4. Step 4: Simplify right side
    5,160,311,205.18x = 20,888,183,964,594,798,592
  5. Step 5: Solve for x
    x = 20,888,183,964,594,798,592/5,160,311,205.18
  6. Step 6: Final answer
    x = 4,047,853,537.13

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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.