Home / 612,115,381.01-916,827,217.54-505,866,561.59

Finding the Fourth Proportional to 612,115,381.01, 916,827,217.54 and 505,866,561.59

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Solution

The fourth proportional to 612,115,381.01, 916,827,217.54 and 505,866,561.59 is: 757,687,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,115,381.01 : 916,827,217.54 = 505,866,561.59 : x
  2. Step 2: Convert to fraction form
    612,115,381.01/916,827,217.54 = 505,866,561.59/x
  3. Step 3: Cross multiply
    612,115,381.01x = 916,827,217.54 × 505,866,561.59
  4. Step 4: Simplify right side
    612,115,381.01x = 463,792,232,110,114,112
  5. Step 5: Solve for x
    x = 463,792,232,110,114,112/612,115,381.01
  6. Step 6: Final answer
    x = 757,687,596.97

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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.