Home / 385,735,028.23-532,358,496.83-216,235,045.96

Finding the Fourth Proportional to 385,735,028.23, 532,358,496.83 and 216,235,045.96

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Solution

The fourth proportional to 385,735,028.23, 532,358,496.83 and 216,235,045.96 is: 298,429,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,735,028.23 : 532,358,496.83 = 216,235,045.96 : x
  2. Step 2: Convert to fraction form
    385,735,028.23/532,358,496.83 = 216,235,045.96/x
  3. Step 3: Cross multiply
    385,735,028.23x = 532,358,496.83 × 216,235,045.96
  4. Step 4: Simplify right side
    385,735,028.23x = 115,114,564,029,231,568
  5. Step 5: Solve for x
    x = 115,114,564,029,231,568/385,735,028.23
  6. Step 6: Final answer
    x = 298,429,117.41

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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.