Home / 521,737,832.00-719,993,964.07-286,785,994.43

Finding the Fourth Proportional to 521,737,832.00, 719,993,964.07 and 286,785,994.43

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Solution

The fourth proportional to 521,737,832.00, 719,993,964.07 and 286,785,994.43 is: 395,762,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,737,832.00 : 719,993,964.07 = 286,785,994.43 : x
  2. Step 2: Convert to fraction form
    521,737,832.00/719,993,964.07 = 286,785,994.43/x
  3. Step 3: Cross multiply
    521,737,832.00x = 719,993,964.07 × 286,785,994.43
  4. Step 4: Simplify right side
    521,737,832.00x = 206,484,184,971,571,104
  5. Step 5: Solve for x
    x = 206,484,184,971,571,104/521,737,832.00
  6. Step 6: Final answer
    x = 395,762,339.45

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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.