Home / 438,357,833.44-604,862,724.72-262,218,611.68

Finding the Fourth Proportional to 438,357,833.44, 604,862,724.72 and 262,218,611.68

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Solution

The fourth proportional to 438,357,833.44, 604,862,724.72 and 262,218,611.68 is: 361,819,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,357,833.44 : 604,862,724.72 = 262,218,611.68 : x
  2. Step 2: Convert to fraction form
    438,357,833.44/604,862,724.72 = 262,218,611.68/x
  3. Step 3: Cross multiply
    438,357,833.44x = 604,862,724.72 × 262,218,611.68
  4. Step 4: Simplify right side
    438,357,833.44x = 158,606,263,933,060,416
  5. Step 5: Solve for x
    x = 158,606,263,933,060,416/438,357,833.44
  6. Step 6: Final answer
    x = 361,819,161.96

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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.