Home / 709,869,960.62-979,452,595.23-412,335,435.50

Finding the Fourth Proportional to 709,869,960.62, 979,452,595.23 and 412,335,435.50

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Solution

The fourth proportional to 709,869,960.62, 979,452,595.23 and 412,335,435.50 is: 568,925,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,869,960.62 : 979,452,595.23 = 412,335,435.50 : x
  2. Step 2: Convert to fraction form
    709,869,960.62/979,452,595.23 = 412,335,435.50/x
  3. Step 3: Cross multiply
    709,869,960.62x = 979,452,595.23 × 412,335,435.50
  4. Step 4: Simplify right side
    709,869,960.62x = 403,863,012,405,767,296
  5. Step 5: Solve for x
    x = 403,863,012,405,767,296/709,869,960.62
  6. Step 6: Final answer
    x = 568,925,345.22

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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.