Home / 816,384,034.60-1,224,576,051.90-298,642,402.60

Finding the Fourth Proportional to 816,384,034.60, 1,224,576,051.90 and 298,642,402.60

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Solution

The fourth proportional to 816,384,034.60, 1,224,576,051.90 and 298,642,402.60 is: 447,963,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,384,034.60 : 1,224,576,051.90 = 298,642,402.60 : x
  2. Step 2: Convert to fraction form
    816,384,034.60/1,224,576,051.90 = 298,642,402.60/x
  3. Step 3: Cross multiply
    816,384,034.60x = 1,224,576,051.90 × 298,642,402.60
  4. Step 4: Simplify right side
    816,384,034.60x = 365,710,334,305,838,336
  5. Step 5: Solve for x
    x = 365,710,334,305,838,336/816,384,034.60
  6. Step 6: Final answer
    x = 447,963,603.90

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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.