Home / 814,548,201.60-1,221,822,302.40-488,030,851.20

Finding the Fourth Proportional to 814,548,201.60, 1,221,822,302.40 and 488,030,851.20

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Solution

The fourth proportional to 814,548,201.60, 1,221,822,302.40 and 488,030,851.20 is: 732,046,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,548,201.60 : 1,221,822,302.40 = 488,030,851.20 : x
  2. Step 2: Convert to fraction form
    814,548,201.60/1,221,822,302.40 = 488,030,851.20/x
  3. Step 3: Cross multiply
    814,548,201.60x = 1,221,822,302.40 × 488,030,851.20
  4. Step 4: Simplify right side
    814,548,201.60x = 596,286,978,255,415,808
  5. Step 5: Solve for x
    x = 596,286,978,255,415,808/814,548,201.60
  6. Step 6: Final answer
    x = 732,046,276.80

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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.