Home / 703,145,977.51-970,252,263.55-385,522,641.49

Finding the Fourth Proportional to 703,145,977.51, 970,252,263.55 and 385,522,641.49

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Solution

The fourth proportional to 703,145,977.51, 970,252,263.55 and 385,522,641.49 is: 531,972,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,145,977.51 : 970,252,263.55 = 385,522,641.49 : x
  2. Step 2: Convert to fraction form
    703,145,977.51/970,252,263.55 = 385,522,641.49/x
  3. Step 3: Cross multiply
    703,145,977.51x = 970,252,263.55 × 385,522,641.49
  4. Step 4: Simplify right side
    703,145,977.51x = 374,054,215,548,668,736
  5. Step 5: Solve for x
    x = 374,054,215,548,668,736/703,145,977.51
  6. Step 6: Final answer
    x = 531,972,346.44

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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.