Home / 520,578,494.22-718,398,244.04-297,564,964.42

Finding the Fourth Proportional to 520,578,494.22, 718,398,244.04 and 297,564,964.42

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Solution

The fourth proportional to 520,578,494.22, 718,398,244.04 and 297,564,964.42 is: 410,639,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,578,494.22 : 718,398,244.04 = 297,564,964.42 : x
  2. Step 2: Convert to fraction form
    520,578,494.22/718,398,244.04 = 297,564,964.42/x
  3. Step 3: Cross multiply
    520,578,494.22x = 718,398,244.04 × 297,564,964.42
  4. Step 4: Simplify right side
    520,578,494.22x = 213,770,147,927,153,088
  5. Step 5: Solve for x
    x = 213,770,147,927,153,088/520,578,494.22
  6. Step 6: Final answer
    x = 410,639,606.32

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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.