Home / 354,334,933.60-531,502,400.40-331,660,117.60

Finding the Fourth Proportional to 354,334,933.60, 531,502,400.40 and 331,660,117.60

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Solution

The fourth proportional to 354,334,933.60, 531,502,400.40 and 331,660,117.60 is: 497,490,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,334,933.60 : 531,502,400.40 = 331,660,117.60 : x
  2. Step 2: Convert to fraction form
    354,334,933.60/531,502,400.40 = 331,660,117.60/x
  3. Step 3: Cross multiply
    354,334,933.60x = 531,502,400.40 × 331,660,117.60
  4. Step 4: Simplify right side
    354,334,933.60x = 176,278,148,621,346,304
  5. Step 5: Solve for x
    x = 176,278,148,621,346,304/354,334,933.60
  6. Step 6: Final answer
    x = 497,490,176.40

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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.