Home / 778,198,318.02-1,166,359,632.94-357,439,071.03

Finding the Fourth Proportional to 778,198,318.02, 1,166,359,632.94 and 357,439,071.03

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Solution

The fourth proportional to 778,198,318.02, 1,166,359,632.94 and 357,439,071.03 is: 535,727,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,198,318.02 : 1,166,359,632.94 = 357,439,071.03 : x
  2. Step 2: Convert to fraction form
    778,198,318.02/1,166,359,632.94 = 357,439,071.03/x
  3. Step 3: Cross multiply
    778,198,318.02x = 1,166,359,632.94 × 357,439,071.03
  4. Step 4: Simplify right side
    778,198,318.02x = 416,902,503,684,965,376
  5. Step 5: Solve for x
    x = 416,902,503,684,965,376/778,198,318.02
  6. Step 6: Final answer
    x = 535,727,839.59

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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.