Home / 6,467,328,279.80-9,700,992,419.70-3,528,672,126.20

Finding the Fourth Proportional to 6,467,328,279.80, 9,700,992,419.70 and 3,528,672,126.20

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Solution

The fourth proportional to 6,467,328,279.80, 9,700,992,419.70 and 3,528,672,126.20 is: 5,293,008,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467,328,279.80 : 9,700,992,419.70 = 3,528,672,126.20 : x
  2. Step 2: Convert to fraction form
    6,467,328,279.80/9,700,992,419.70 = 3,528,672,126.20/x
  3. Step 3: Cross multiply
    6,467,328,279.80x = 9,700,992,419.70 × 3,528,672,126.20
  4. Step 4: Simplify right side
    6,467,328,279.80x = 34,231,621,547,872,882,688
  5. Step 5: Solve for x
    x = 34,231,621,547,872,882,688/6,467,328,279.80
  6. Step 6: Final answer
    x = 5,293,008,189.30

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Double scale
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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.