Home / 12,771,360,118.20-19,157,040,177.30-7,547,082,511.80

Finding the Fourth Proportional to 12,771,360,118.20, 19,157,040,177.30 and 7,547,082,511.80

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Solution

The fourth proportional to 12,771,360,118.20, 19,157,040,177.30 and 7,547,082,511.80 is: 11,320,623,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,360,118.20 : 19,157,040,177.30 = 7,547,082,511.80 : x
  2. Step 2: Convert to fraction form
    12,771,360,118.20/19,157,040,177.30 = 7,547,082,511.80/x
  3. Step 3: Cross multiply
    12,771,360,118.20x = 19,157,040,177.30 × 7,547,082,511.80
  4. Step 4: Simplify right side
    12,771,360,118.20x = 144,579,762,899,950,796,800
  5. Step 5: Solve for x
    x = 144,579,762,899,950,796,800/12,771,360,118.20
  6. Step 6: Final answer
    x = 11,320,623,767.70

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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.