Home / 722,308,689.98-996,847,468.09-409,098,622.22

Finding the Fourth Proportional to 722,308,689.98, 996,847,468.09 and 409,098,622.22

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Solution

The fourth proportional to 722,308,689.98, 996,847,468.09 and 409,098,622.22 is: 564,590,917.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,308,689.98 : 996,847,468.09 = 409,098,622.22 : x
  2. Step 2: Convert to fraction form
    722,308,689.98/996,847,468.09 = 409,098,622.22/x
  3. Step 3: Cross multiply
    722,308,689.98x = 996,847,468.09 × 409,098,622.22
  4. Step 4: Simplify right side
    722,308,689.98x = 407,808,925,753,107,392
  5. Step 5: Solve for x
    x = 407,808,925,753,107,392/722,308,689.98
  6. Step 6: Final answer
    x = 564,590,917.17

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1.5x scale

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.