Home / 231,695,564,475.69-347,355,797,475.38-72,436,686,959.61

Finding the Fourth Proportional to 231,695,564,475.69, 347,355,797,475.38 and 72,436,686,959.61

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Solution

The fourth proportional to 231,695,564,475.69, 347,355,797,475.38 and 72,436,686,959.61 is: 108,596,395,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,695,564,475.69 : 347,355,797,475.38 = 72,436,686,959.61 : x
  2. Step 2: Convert to fraction form
    231,695,564,475.69/347,355,797,475.38 = 72,436,686,959.61/x
  3. Step 3: Cross multiply
    231,695,564,475.69x = 347,355,797,475.38 × 72,436,686,959.61
  4. Step 4: Simplify right side
    231,695,564,475.69x = 25,161,303,165,329,792,303,104
  5. Step 5: Solve for x
    x = 25,161,303,165,329,792,303,104/231,695,564,475.69
  6. Step 6: Final answer
    x = 108,596,395,542.87

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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.