Home / 520,839,056.50-784,376,425.74-474,348,597.82

Finding the Fourth Proportional to 520,839,056.50, 784,376,425.74 and 474,348,597.82

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Solution

The fourth proportional to 520,839,056.50, 784,376,425.74 and 474,348,597.82 is: 714,362,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,839,056.50 : 784,376,425.74 = 474,348,597.82 : x
  2. Step 2: Convert to fraction form
    520,839,056.50/784,376,425.74 = 474,348,597.82/x
  3. Step 3: Cross multiply
    520,839,056.50x = 784,376,425.74 × 474,348,597.82
  4. Step 4: Simplify right side
    520,839,056.50x = 372,067,857,712,832,384
  5. Step 5: Solve for x
    x = 372,067,857,712,832,384/520,839,056.50
  6. Step 6: Final answer
    x = 714,362,437.05

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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.