Home / 644,030,622.80-966,045,934.20-159,356,430.80

Finding the Fourth Proportional to 644,030,622.80, 966,045,934.20 and 159,356,430.80

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Solution

The fourth proportional to 644,030,622.80, 966,045,934.20 and 159,356,430.80 is: 239,034,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,030,622.80 : 966,045,934.20 = 159,356,430.80 : x
  2. Step 2: Convert to fraction form
    644,030,622.80/966,045,934.20 = 159,356,430.80/x
  3. Step 3: Cross multiply
    644,030,622.80x = 966,045,934.20 × 159,356,430.80
  4. Step 4: Simplify right side
    644,030,622.80x = 153,945,632,062,963,680
  5. Step 5: Solve for x
    x = 153,945,632,062,963,680/644,030,622.80
  6. Step 6: Final answer
    x = 239,034,646.20

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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.