Home / 814,464,048.20-1,224,246,989.10-799,158,547.40

Finding the Fourth Proportional to 814,464,048.20, 1,224,246,989.10 and 799,158,547.40

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Solution

The fourth proportional to 814,464,048.20, 1,224,246,989.10 and 799,158,547.40 is: 1,201,240,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,464,048.20 : 1,224,246,989.10 = 799,158,547.40 : x
  2. Step 2: Convert to fraction form
    814,464,048.20/1,224,246,989.10 = 799,158,547.40/x
  3. Step 3: Cross multiply
    814,464,048.20x = 1,224,246,989.10 × 799,158,547.40
  4. Step 4: Simplify right side
    814,464,048.20x = 978,367,445,467,979,520
  5. Step 5: Solve for x
    x = 978,367,445,467,979,520/814,464,048.20
  6. Step 6: Final answer
    x = 1,201,240,800.78

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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.