Home / 47,396,828,077.61-71,084,362,810.74-28,257,854,849.12

Finding the Fourth Proportional to 47,396,828,077.61, 71,084,362,810.74 and 28,257,854,849.12

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Solution

The fourth proportional to 47,396,828,077.61, 71,084,362,810.74 and 28,257,854,849.12 is: 42,380,296,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,396,828,077.61 : 71,084,362,810.74 = 28,257,854,849.12 : x
  2. Step 2: Convert to fraction form
    47,396,828,077.61/71,084,362,810.74 = 28,257,854,849.12/x
  3. Step 3: Cross multiply
    47,396,828,077.61x = 71,084,362,810.74 × 28,257,854,849.12
  4. Step 4: Simplify right side
    47,396,828,077.61x = 2,008,691,606,347,719,639,040
  5. Step 5: Solve for x
    x = 2,008,691,606,347,719,639,040/47,396,828,077.61
  6. Step 6: Final answer
    x = 42,380,296,062.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.