Home / 680,525,187.20-1,020,787,780.80-335,644,035.20

Finding the Fourth Proportional to 680,525,187.20, 1,020,787,780.80 and 335,644,035.20

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Solution

The fourth proportional to 680,525,187.20, 1,020,787,780.80 and 335,644,035.20 is: 503,466,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,525,187.20 : 1,020,787,780.80 = 335,644,035.20 : x
  2. Step 2: Convert to fraction form
    680,525,187.20/1,020,787,780.80 = 335,644,035.20/x
  3. Step 3: Cross multiply
    680,525,187.20x = 1,020,787,780.80 × 335,644,035.20
  4. Step 4: Simplify right side
    680,525,187.20x = 342,621,329,830,565,056
  5. Step 5: Solve for x
    x = 342,621,329,830,565,056/680,525,187.20
  6. Step 6: Final answer
    x = 503,466,052.80

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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.