Home / 421,116,087.60-631,674,131.40-421,116,087.60

Finding the Fourth Proportional to 421,116,087.60, 631,674,131.40 and 421,116,087.60

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Solution

The fourth proportional to 421,116,087.60, 631,674,131.40 and 421,116,087.60 is: 631,674,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,116,087.60 : 631,674,131.40 = 421,116,087.60 : x
  2. Step 2: Convert to fraction form
    421,116,087.60/631,674,131.40 = 421,116,087.60/x
  3. Step 3: Cross multiply
    421,116,087.60x = 631,674,131.40 × 421,116,087.60
  4. Step 4: Simplify right side
    421,116,087.60x = 266,008,138,853,296,320
  5. Step 5: Solve for x
    x = 266,008,138,853,296,320/421,116,087.60
  6. Step 6: Final answer
    x = 631,674,131.40

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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.