Home / 501,810,731.10-692,458,209.46-290,131,142.95

Finding the Fourth Proportional to 501,810,731.10, 692,458,209.46 and 290,131,142.95

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Solution

The fourth proportional to 501,810,731.10, 692,458,209.46 and 290,131,142.95 is: 400,357,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,810,731.10 : 692,458,209.46 = 290,131,142.95 : x
  2. Step 2: Convert to fraction form
    501,810,731.10/692,458,209.46 = 290,131,142.95/x
  3. Step 3: Cross multiply
    501,810,731.10x = 692,458,209.46 × 290,131,142.95
  4. Step 4: Simplify right side
    501,810,731.10x = 200,903,691,750,827,360
  5. Step 5: Solve for x
    x = 200,903,691,750,827,360/501,810,731.10
  6. Step 6: Final answer
    x = 400,357,503.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.