Home / 401,990,524.70-602,985,787.05-159,653,428.70

Finding the Fourth Proportional to 401,990,524.70, 602,985,787.05 and 159,653,428.70

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Solution

The fourth proportional to 401,990,524.70, 602,985,787.05 and 159,653,428.70 is: 239,480,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,990,524.70 : 602,985,787.05 = 159,653,428.70 : x
  2. Step 2: Convert to fraction form
    401,990,524.70/602,985,787.05 = 159,653,428.70/x
  3. Step 3: Cross multiply
    401,990,524.70x = 602,985,787.05 × 159,653,428.70
  4. Step 4: Simplify right side
    401,990,524.70x = 96,268,748,359,900,544
  5. Step 5: Solve for x
    x = 96,268,748,359,900,544/401,990,524.70
  6. Step 6: Final answer
    x = 239,480,143.05

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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.