Home / 970,190,777.60-1,455,286,166.40-485,341,625.60

Finding the Fourth Proportional to 970,190,777.60, 1,455,286,166.40 and 485,341,625.60

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Solution

The fourth proportional to 970,190,777.60, 1,455,286,166.40 and 485,341,625.60 is: 728,012,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,190,777.60 : 1,455,286,166.40 = 485,341,625.60 : x
  2. Step 2: Convert to fraction form
    970,190,777.60/1,455,286,166.40 = 485,341,625.60/x
  3. Step 3: Cross multiply
    970,190,777.60x = 1,455,286,166.40 × 485,341,625.60
  4. Step 4: Simplify right side
    970,190,777.60x = 706,310,953,713,768,192
  5. Step 5: Solve for x
    x = 706,310,953,713,768,192/970,190,777.60
  6. Step 6: Final answer
    x = 728,012,438.40

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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.