Home / 631,225,217,737.05-946,742,158,786.70-171,795,689,256.83

Finding the Fourth Proportional to 631,225,217,737.05, 946,742,158,786.70 and 171,795,689,256.83

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Solution

The fourth proportional to 631,225,217,737.05, 946,742,158,786.70 and 171,795,689,256.83 is: 257,667,496,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,225,217,737.05 : 946,742,158,786.70 = 171,795,689,256.83 : x
  2. Step 2: Convert to fraction form
    631,225,217,737.05/946,742,158,786.70 = 171,795,689,256.83/x
  3. Step 3: Cross multiply
    631,225,217,737.05x = 946,742,158,786.70 × 171,795,689,256.83
  4. Step 4: Simplify right side
    631,225,217,737.05x = 162,646,221,717,260,294,160,384
  5. Step 5: Solve for x
    x = 162,646,221,717,260,294,160,384/631,225,217,737.05
  6. Step 6: Final answer
    x = 257,667,496,714.33

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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.