Home / 289,677,913.92-399,763,097.46-157,526,639.46

Finding the Fourth Proportional to 289,677,913.92, 399,763,097.46 and 157,526,639.46

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Solution

The fourth proportional to 289,677,913.92, 399,763,097.46 and 157,526,639.46 is: 217,390,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,677,913.92 : 399,763,097.46 = 157,526,639.46 : x
  2. Step 2: Convert to fraction form
    289,677,913.92/399,763,097.46 = 157,526,639.46/x
  3. Step 3: Cross multiply
    289,677,913.92x = 399,763,097.46 × 157,526,639.46
  4. Step 4: Simplify right side
    289,677,913.92x = 62,973,337,322,994,264
  5. Step 5: Solve for x
    x = 62,973,337,322,994,264/289,677,913.92
  6. Step 6: Final answer
    x = 217,390,882.41

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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.