Home / 639,001,312.40-957,746,141.40-332,135,469.20

Finding the Fourth Proportional to 639,001,312.40, 957,746,141.40 and 332,135,469.20

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Solution

The fourth proportional to 639,001,312.40, 957,746,141.40 and 332,135,469.20 is: 497,810,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,001,312.40 : 957,746,141.40 = 332,135,469.20 : x
  2. Step 2: Convert to fraction form
    639,001,312.40/957,746,141.40 = 332,135,469.20/x
  3. Step 3: Cross multiply
    639,001,312.40x = 957,746,141.40 × 332,135,469.20
  4. Step 4: Simplify right side
    639,001,312.40x = 318,101,464,048,378,496
  5. Step 5: Solve for x
    x = 318,101,464,048,378,496/639,001,312.40
  6. Step 6: Final answer
    x = 497,810,345.42

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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.