Home / 658,940,002.93-909,334,708.70-361,587,220.19

Finding the Fourth Proportional to 658,940,002.93, 909,334,708.70 and 361,587,220.19

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Solution

The fourth proportional to 658,940,002.93, 909,334,708.70 and 361,587,220.19 is: 498,988,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,940,002.93 : 909,334,708.70 = 361,587,220.19 : x
  2. Step 2: Convert to fraction form
    658,940,002.93/909,334,708.70 = 361,587,220.19/x
  3. Step 3: Cross multiply
    658,940,002.93x = 909,334,708.70 × 361,587,220.19
  4. Step 4: Simplify right side
    658,940,002.93x = 328,803,809,538,171,840
  5. Step 5: Solve for x
    x = 328,803,809,538,171,840/658,940,002.93
  6. Step 6: Final answer
    x = 498,988,994.56

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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.