Home / 633,084,819.10-873,705,517.77-398,336,700.58

Finding the Fourth Proportional to 633,084,819.10, 873,705,517.77 and 398,336,700.58

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Solution

The fourth proportional to 633,084,819.10, 873,705,517.77 and 398,336,700.58 is: 549,735,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,084,819.10 : 873,705,517.77 = 398,336,700.58 : x
  2. Step 2: Convert to fraction form
    633,084,819.10/873,705,517.77 = 398,336,700.58/x
  3. Step 3: Cross multiply
    633,084,819.10x = 873,705,517.77 × 398,336,700.58
  4. Step 4: Simplify right side
    633,084,819.10x = 348,028,973,226,351,808
  5. Step 5: Solve for x
    x = 348,028,973,226,351,808/633,084,819.10
  6. Step 6: Final answer
    x = 549,735,142.48

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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.