Home / 689,760,064.80-1,034,640,097.20-306,807,616.80

Finding the Fourth Proportional to 689,760,064.80, 1,034,640,097.20 and 306,807,616.80

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Solution

The fourth proportional to 689,760,064.80, 1,034,640,097.20 and 306,807,616.80 is: 460,211,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,760,064.80 : 1,034,640,097.20 = 306,807,616.80 : x
  2. Step 2: Convert to fraction form
    689,760,064.80/1,034,640,097.20 = 306,807,616.80/x
  3. Step 3: Cross multiply
    689,760,064.80x = 1,034,640,097.20 × 306,807,616.80
  4. Step 4: Simplify right side
    689,760,064.80x = 317,435,462,467,652,352
  5. Step 5: Solve for x
    x = 317,435,462,467,652,352/689,760,064.80
  6. Step 6: Final answer
    x = 460,211,425.20

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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.