Home / 445,570,323.76-668,354,922.48-169,221,023.20

Finding the Fourth Proportional to 445,570,323.76, 668,354,922.48 and 169,221,023.20

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Solution

The fourth proportional to 445,570,323.76, 668,354,922.48 and 169,221,023.20 is: 253,831,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,570,323.76 : 668,354,922.48 = 169,221,023.20 : x
  2. Step 2: Convert to fraction form
    445,570,323.76/668,354,922.48 = 169,221,023.20/x
  3. Step 3: Cross multiply
    445,570,323.76x = 668,354,922.48 × 169,221,023.20
  4. Step 4: Simplify right side
    445,570,323.76x = 113,099,703,842,822,272
  5. Step 5: Solve for x
    x = 113,099,703,842,822,272/445,570,323.76
  6. Step 6: Final answer
    x = 253,831,320.92

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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.