Home / 556,467,121.80-834,700,682.70-147,564,606.60

Finding the Fourth Proportional to 556,467,121.80, 834,700,682.70 and 147,564,606.60

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Solution

The fourth proportional to 556,467,121.80, 834,700,682.70 and 147,564,606.60 is: 221,346,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,467,121.80 : 834,700,682.70 = 147,564,606.60 : x
  2. Step 2: Convert to fraction form
    556,467,121.80/834,700,682.70 = 147,564,606.60/x
  3. Step 3: Cross multiply
    556,467,121.80x = 834,700,682.70 × 147,564,606.60
  4. Step 4: Simplify right side
    556,467,121.80x = 123,172,277,871,376,928
  5. Step 5: Solve for x
    x = 123,172,277,871,376,928/556,467,121.80
  6. Step 6: Final answer
    x = 221,346,909.90

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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.