Home / 1,216,727,884.48-1,679,084,925.44-659,810,781.76

Finding the Fourth Proportional to 1,216,727,884.48, 1,679,084,925.44 and 659,810,781.76

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Solution

The fourth proportional to 1,216,727,884.48, 1,679,084,925.44 and 659,810,781.76 is: 910,539,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,727,884.48 : 1,679,084,925.44 = 659,810,781.76 : x
  2. Step 2: Convert to fraction form
    1,216,727,884.48/1,679,084,925.44 = 659,810,781.76/x
  3. Step 3: Cross multiply
    1,216,727,884.48x = 1,679,084,925.44 × 659,810,781.76
  4. Step 4: Simplify right side
    1,216,727,884.48x = 1,107,878,337,295,997,696
  5. Step 5: Solve for x
    x = 1,107,878,337,295,997,696/1,216,727,884.48
  6. Step 6: Final answer
    x = 910,539,120.07

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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.