Home / 917,568,002.60-1,376,352,003.90-817,238,940.20

Finding the Fourth Proportional to 917,568,002.60, 1,376,352,003.90 and 817,238,940.20

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Solution

The fourth proportional to 917,568,002.60, 1,376,352,003.90 and 817,238,940.20 is: 1,225,858,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,568,002.60 : 1,376,352,003.90 = 817,238,940.20 : x
  2. Step 2: Convert to fraction form
    917,568,002.60/1,376,352,003.90 = 817,238,940.20/x
  3. Step 3: Cross multiply
    917,568,002.60x = 1,376,352,003.90 × 817,238,940.20
  4. Step 4: Simplify right side
    917,568,002.60x = 1,124,808,453,009,382,400
  5. Step 5: Solve for x
    x = 1,124,808,453,009,382,400/917,568,002.60
  6. Step 6: Final answer
    x = 1,225,858,410.30

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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.