Home / 11,718,885,501.30-16,173,448,404.21-6,961,180,173.15

Finding the Fourth Proportional to 11,718,885,501.30, 16,173,448,404.21 and 6,961,180,173.15

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Solution

The fourth proportional to 11,718,885,501.30, 16,173,448,404.21 and 6,961,180,173.15 is: 9,607,252,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718,885,501.30 : 16,173,448,404.21 = 6,961,180,173.15 : x
  2. Step 2: Convert to fraction form
    11,718,885,501.30/16,173,448,404.21 = 6,961,180,173.15/x
  3. Step 3: Cross multiply
    11,718,885,501.30x = 16,173,448,404.21 × 6,961,180,173.15
  4. Step 4: Simplify right side
    11,718,885,501.30x = 112,586,288,362,851,139,584
  5. Step 5: Solve for x
    x = 112,586,288,362,851,139,584/11,718,885,501.30
  6. Step 6: Final answer
    x = 9,607,252,187.11

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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.