Home / 13,288,340,943.60-19,932,511,415.40-6,408,633,807.60

Finding the Fourth Proportional to 13,288,340,943.60, 19,932,511,415.40 and 6,408,633,807.60

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Solution

The fourth proportional to 13,288,340,943.60, 19,932,511,415.40 and 6,408,633,807.60 is: 9,612,950,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,340,943.60 : 19,932,511,415.40 = 6,408,633,807.60 : x
  2. Step 2: Convert to fraction form
    13,288,340,943.60/19,932,511,415.40 = 6,408,633,807.60/x
  3. Step 3: Cross multiply
    13,288,340,943.60x = 19,932,511,415.40 × 6,408,633,807.60
  4. Step 4: Simplify right side
    13,288,340,943.60x = 127,740,166,527,105,384,448
  5. Step 5: Solve for x
    x = 127,740,166,527,105,384,448/13,288,340,943.60
  6. Step 6: Final answer
    x = 9,612,950,711.40

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Double scale
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1.5x scale

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.