Home / 605,423,464.20-908,135,196.30-528,895,960.20

Finding the Fourth Proportional to 605,423,464.20, 908,135,196.30 and 528,895,960.20

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Solution

The fourth proportional to 605,423,464.20, 908,135,196.30 and 528,895,960.20 is: 793,343,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,423,464.20 : 908,135,196.30 = 528,895,960.20 : x
  2. Step 2: Convert to fraction form
    605,423,464.20/908,135,196.30 = 528,895,960.20/x
  3. Step 3: Cross multiply
    605,423,464.20x = 908,135,196.30 × 528,895,960.20
  4. Step 4: Simplify right side
    605,423,464.20x = 480,309,036,638,503,936
  5. Step 5: Solve for x
    x = 480,309,036,638,503,936/605,423,464.20
  6. Step 6: Final answer
    x = 793,343,940.30

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Double scale
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Similar ratio
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1.5x scale

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.