Home / 658,294,302.60-987,462,268.72-243,874,839.36

Finding the Fourth Proportional to 658,294,302.60, 987,462,268.72 and 243,874,839.36

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Solution

The fourth proportional to 658,294,302.60, 987,462,268.72 and 243,874,839.36 is: 365,819,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,294,302.60 : 987,462,268.72 = 243,874,839.36 : x
  2. Step 2: Convert to fraction form
    658,294,302.60/987,462,268.72 = 243,874,839.36/x
  3. Step 3: Cross multiply
    658,294,302.60x = 987,462,268.72 × 243,874,839.36
  4. Step 4: Simplify right side
    658,294,302.60x = 240,817,202,158,151,168
  5. Step 5: Solve for x
    x = 240,817,202,158,151,168/658,294,302.60
  6. Step 6: Final answer
    x = 365,819,970.20

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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.