Home / 486,677,645.50-730,016,476.68-118,210,114.89

Finding the Fourth Proportional to 486,677,645.50, 730,016,476.68 and 118,210,114.89

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Solution

The fourth proportional to 486,677,645.50, 730,016,476.68 and 118,210,114.89 is: 177,315,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,677,645.50 : 730,016,476.68 = 118,210,114.89 : x
  2. Step 2: Convert to fraction form
    486,677,645.50/730,016,476.68 = 118,210,114.89/x
  3. Step 3: Cross multiply
    486,677,645.50x = 730,016,476.68 × 118,210,114.89
  4. Step 4: Simplify right side
    486,677,645.50x = 86,295,331,579,935,792
  5. Step 5: Solve for x
    x = 86,295,331,579,935,792/486,677,645.50
  6. Step 6: Final answer
    x = 177,315,174.38

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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.