Home / 652,855,007.70-979,282,511.55-216,223,082.10

Finding the Fourth Proportional to 652,855,007.70, 979,282,511.55 and 216,223,082.10

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Solution

The fourth proportional to 652,855,007.70, 979,282,511.55 and 216,223,082.10 is: 324,334,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,855,007.70 : 979,282,511.55 = 216,223,082.10 : x
  2. Step 2: Convert to fraction form
    652,855,007.70/979,282,511.55 = 216,223,082.10/x
  3. Step 3: Cross multiply
    652,855,007.70x = 979,282,511.55 × 216,223,082.10
  4. Step 4: Simplify right side
    652,855,007.70x = 211,743,482,893,969,824
  5. Step 5: Solve for x
    x = 211,743,482,893,969,824/652,855,007.70
  6. Step 6: Final answer
    x = 324,334,623.15

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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.