Home / 1,316,467,934.40-1,816,910,826.48-814,837,617.12

Finding the Fourth Proportional to 1,316,467,934.40, 1,816,910,826.48 and 814,837,617.12

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Solution

The fourth proportional to 1,316,467,934.40, 1,816,910,826.48 and 814,837,617.12 is: 1,124,590,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,467,934.40 : 1,816,910,826.48 = 814,837,617.12 : x
  2. Step 2: Convert to fraction form
    1,316,467,934.40/1,816,910,826.48 = 814,837,617.12/x
  3. Step 3: Cross multiply
    1,316,467,934.40x = 1,816,910,826.48 × 814,837,617.12
  4. Step 4: Simplify right side
    1,316,467,934.40x = 1,480,487,288,368,493,056
  5. Step 5: Solve for x
    x = 1,480,487,288,368,493,056/1,316,467,934.40
  6. Step 6: Final answer
    x = 1,124,590,466.42

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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.