Home / 1,478,662,288,427.50-2,040,552,410,428.20-828,345,449,730

Finding the Fourth Proportional to 1,478,662,288,427.50, 2,040,552,410,428.20 and 828,345,449,730

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Solution

The fourth proportional to 1,478,662,288,427.50, 2,040,552,410,428.20 and 828,345,449,730 is: 1,143,115,853,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,662,288,427.50 : 2,040,552,410,428.20 = 828,345,449,730 : x
  2. Step 2: Convert to fraction form
    1,478,662,288,427.50/2,040,552,410,428.20 = 828,345,449,730/x
  3. Step 3: Cross multiply
    1,478,662,288,427.50x = 2,040,552,410,428.20 × 828,345,449,730
  4. Step 4: Simplify right side
    1,478,662,288,427.50x = 1,690,282,304,113,782,875,488,256
  5. Step 5: Solve for x
    x = 1,690,282,304,113,782,875,488,256/1,478,662,288,427.50
  6. Step 6: Final answer
    x = 1,143,115,853,662.12

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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.