Home / 39,931,630,188.85-59,901,127,448.79-13,040,338,921.39

Finding the Fourth Proportional to 39,931,630,188.85, 59,901,127,448.79 and 13,040,338,921.39

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Solution

The fourth proportional to 39,931,630,188.85, 59,901,127,448.79 and 13,040,338,921.39 is: 19,561,710,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931,630,188.85 : 59,901,127,448.79 = 13,040,338,921.39 : x
  2. Step 2: Convert to fraction form
    39,931,630,188.85/59,901,127,448.79 = 13,040,338,921.39/x
  3. Step 3: Cross multiply
    39,931,630,188.85x = 59,901,127,448.79 × 13,040,338,921.39
  4. Step 4: Simplify right side
    39,931,630,188.85x = 781,131,003,705,533,923,328
  5. Step 5: Solve for x
    x = 781,131,003,705,533,923,328/39,931,630,188.85
  6. Step 6: Final answer
    x = 19,561,710,854.56

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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.