Home / 626,617,631.80-939,926,447.70-166,602,302.20

Finding the Fourth Proportional to 626,617,631.80, 939,926,447.70 and 166,602,302.20

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Solution

The fourth proportional to 626,617,631.80, 939,926,447.70 and 166,602,302.20 is: 249,903,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,617,631.80 : 939,926,447.70 = 166,602,302.20 : x
  2. Step 2: Convert to fraction form
    626,617,631.80/939,926,447.70 = 166,602,302.20/x
  3. Step 3: Cross multiply
    626,617,631.80x = 939,926,447.70 × 166,602,302.20
  4. Step 4: Simplify right side
    626,617,631.80x = 156,593,910,085,487,904
  5. Step 5: Solve for x
    x = 156,593,910,085,487,904/626,617,631.80
  6. Step 6: Final answer
    x = 249,903,453.30

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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.