Home / 663,968,012.84-916,280,287.36-362,555,417.09

Finding the Fourth Proportional to 663,968,012.84, 916,280,287.36 and 362,555,417.09

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Solution

The fourth proportional to 663,968,012.84, 916,280,287.36 and 362,555,417.09 is: 500,328,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,968,012.84 : 916,280,287.36 = 362,555,417.09 : x
  2. Step 2: Convert to fraction form
    663,968,012.84/916,280,287.36 = 362,555,417.09/x
  3. Step 3: Cross multiply
    663,968,012.84x = 916,280,287.36 × 362,555,417.09
  4. Step 4: Simplify right side
    663,968,012.84x = 332,202,381,755,149,824
  5. Step 5: Solve for x
    x = 332,202,381,755,149,824/663,968,012.84
  6. Step 6: Final answer
    x = 500,328,894.36

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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.