Home / 770,772,164.88-1,063,662,894.90-418,348,137.36

Finding the Fourth Proportional to 770,772,164.88, 1,063,662,894.90 and 418,348,137.36

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Solution

The fourth proportional to 770,772,164.88, 1,063,662,894.90 and 418,348,137.36 is: 577,318,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,772,164.88 : 1,063,662,894.90 = 418,348,137.36 : x
  2. Step 2: Convert to fraction form
    770,772,164.88/1,063,662,894.90 = 418,348,137.36/x
  3. Step 3: Cross multiply
    770,772,164.88x = 1,063,662,894.90 × 418,348,137.36
  4. Step 4: Simplify right side
    770,772,164.88x = 444,981,390,860,360,448
  5. Step 5: Solve for x
    x = 444,981,390,860,360,448/770,772,164.88
  6. Step 6: Final answer
    x = 577,318,968.09

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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.