Home / 520,839,054.50-784,376,422.72-474,348,595.82

Finding the Fourth Proportional to 520,839,054.50, 784,376,422.72 and 474,348,595.82

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Solution

The fourth proportional to 520,839,054.50, 784,376,422.72 and 474,348,595.82 is: 714,362,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,839,054.50 : 784,376,422.72 = 474,348,595.82 : x
  2. Step 2: Convert to fraction form
    520,839,054.50/784,376,422.72 = 474,348,595.82/x
  3. Step 3: Cross multiply
    520,839,054.50x = 784,376,422.72 × 474,348,595.82
  4. Step 4: Simplify right side
    520,839,054.50x = 372,067,854,711,546,752
  5. Step 5: Solve for x
    x = 372,067,854,711,546,752/520,839,054.50
  6. Step 6: Final answer
    x = 714,362,434.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.