Home / 1,478,662,288,436.60-2,040,552,410,440.60-828,345,449,739.10

Finding the Fourth Proportional to 1,478,662,288,436.60, 2,040,552,410,440.60 and 828,345,449,739.10

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Solution

The fourth proportional to 1,478,662,288,436.60, 2,040,552,410,440.60 and 828,345,449,739.10 is: 1,143,115,853,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,662,288,436.60 : 2,040,552,410,440.60 = 828,345,449,739.10 : x
  2. Step 2: Convert to fraction form
    1,478,662,288,436.60/2,040,552,410,440.60 = 828,345,449,739.10/x
  3. Step 3: Cross multiply
    1,478,662,288,436.60x = 2,040,552,410,440.60 × 828,345,449,739.10
  4. Step 4: Simplify right side
    1,478,662,288,436.60x = 1,690,282,304,142,623,312,445,440
  5. Step 5: Solve for x
    x = 1,690,282,304,142,623,312,445,440/1,478,662,288,436.60
  6. Step 6: Final answer
    x = 1,143,115,853,674.59

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Double scale
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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.