Home / 501,810,735.55-692,458,215.60-290,131,147.40

Finding the Fourth Proportional to 501,810,735.55, 692,458,215.60 and 290,131,147.40

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Solution

The fourth proportional to 501,810,735.55, 692,458,215.60 and 290,131,147.40 is: 400,357,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,810,735.55 : 692,458,215.60 = 290,131,147.40 : x
  2. Step 2: Convert to fraction form
    501,810,735.55/692,458,215.60 = 290,131,147.40/x
  3. Step 3: Cross multiply
    501,810,735.55x = 692,458,215.60 × 290,131,147.40
  4. Step 4: Simplify right side
    501,810,735.55x = 200,903,696,615,122,272
  5. Step 5: Solve for x
    x = 200,903,696,615,122,272/501,810,735.55
  6. Step 6: Final answer
    x = 400,357,510.08

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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.