Home / 12,288,777,892-16,953,109,322.16-7,205,547,205.60

Finding the Fourth Proportional to 12,288,777,892, 16,953,109,322.16 and 7,205,547,205.60

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Solution

The fourth proportional to 12,288,777,892, 16,953,109,322.16 and 7,205,547,205.60 is: 9,940,486,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,777,892 : 16,953,109,322.16 = 7,205,547,205.60 : x
  2. Step 2: Convert to fraction form
    12,288,777,892/16,953,109,322.16 = 7,205,547,205.60/x
  3. Step 3: Cross multiply
    12,288,777,892x = 16,953,109,322.16 × 7,205,547,205.60
  4. Step 4: Simplify right side
    12,288,777,892x = 122,156,429,502,521,311,232
  5. Step 5: Solve for x
    x = 122,156,429,502,521,311,232/12,288,777,892
  6. Step 6: Final answer
    x = 9,940,486,399.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.