Home / 355,019,444,203.74-532,521,705,433.18-86,409,922,978.79

Finding the Fourth Proportional to 355,019,444,203.74, 532,521,705,433.18 and 86,409,922,978.79

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Solution

The fourth proportional to 355,019,444,203.74, 532,521,705,433.18 and 86,409,922,978.79 is: 129,613,068,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,019,444,203.74 : 532,521,705,433.18 = 86,409,922,978.79 : x
  2. Step 2: Convert to fraction form
    355,019,444,203.74/532,521,705,433.18 = 86,409,922,978.79/x
  3. Step 3: Cross multiply
    355,019,444,203.74x = 532,521,705,433.18 × 86,409,922,978.79
  4. Step 4: Simplify right side
    355,019,444,203.74x = 46,015,159,551,015,516,110,848
  5. Step 5: Solve for x
    x = 46,015,159,551,015,516,110,848/355,019,444,203.74
  6. Step 6: Final answer
    x = 129,613,068,529.87

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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.