Home / 722,308,679.10-996,847,453.08-409,098,611.34

Finding the Fourth Proportional to 722,308,679.10, 996,847,453.08 and 409,098,611.34

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Solution

The fourth proportional to 722,308,679.10, 996,847,453.08 and 409,098,611.34 is: 564,590,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,308,679.10 : 996,847,453.08 = 409,098,611.34 : x
  2. Step 2: Convert to fraction form
    722,308,679.10/996,847,453.08 = 409,098,611.34/x
  3. Step 3: Cross multiply
    722,308,679.10x = 996,847,453.08 × 409,098,611.34
  4. Step 4: Simplify right side
    722,308,679.10x = 407,808,908,772,843,776
  5. Step 5: Solve for x
    x = 407,808,908,772,843,776/722,308,679.10
  6. Step 6: Final answer
    x = 564,590,902.16

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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.