Home / 505,664,358.66-697,814,795.48-282,645,799.11

Finding the Fourth Proportional to 505,664,358.66, 697,814,795.48 and 282,645,799.11

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Solution

The fourth proportional to 505,664,358.66, 697,814,795.48 and 282,645,799.11 is: 390,050,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,664,358.66 : 697,814,795.48 = 282,645,799.11 : x
  2. Step 2: Convert to fraction form
    505,664,358.66/697,814,795.48 = 282,645,799.11/x
  3. Step 3: Cross multiply
    505,664,358.66x = 697,814,795.48 × 282,645,799.11
  4. Step 4: Simplify right side
    505,664,358.66x = 197,234,420,497,812,608
  5. Step 5: Solve for x
    x = 197,234,420,497,812,608/505,664,358.66
  6. Step 6: Final answer
    x = 390,050,073.97

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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.