Home / 722,093,132.48-996,478,298.16-408,819,204.32

Finding the Fourth Proportional to 722,093,132.48, 996,478,298.16 and 408,819,204.32

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Solution

The fourth proportional to 722,093,132.48, 996,478,298.16 and 408,819,204.32 is: 564,164,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,093,132.48 : 996,478,298.16 = 408,819,204.32 : x
  2. Step 2: Convert to fraction form
    722,093,132.48/996,478,298.16 = 408,819,204.32/x
  3. Step 3: Cross multiply
    722,093,132.48x = 996,478,298.16 × 408,819,204.32
  4. Step 4: Simplify right side
    722,093,132.48x = 407,379,464,975,918,912
  5. Step 5: Solve for x
    x = 407,379,464,975,918,912/722,093,132.48
  6. Step 6: Final answer
    x = 564,164,713.18

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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.