Home / 1,107,293,836.71-1,527,345,489.20-710,187,835.47

Finding the Fourth Proportional to 1,107,293,836.71, 1,527,345,489.20 and 710,187,835.47

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Solution

The fourth proportional to 1,107,293,836.71, 1,527,345,489.20 and 710,187,835.47 is: 979,597,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,293,836.71 : 1,527,345,489.20 = 710,187,835.47 : x
  2. Step 2: Convert to fraction form
    1,107,293,836.71/1,527,345,489.20 = 710,187,835.47/x
  3. Step 3: Cross multiply
    1,107,293,836.71x = 1,527,345,489.20 × 710,187,835.47
  4. Step 4: Simplify right side
    1,107,293,836.71x = 1,084,702,186,986,265,344
  5. Step 5: Solve for x
    x = 1,084,702,186,986,265,344/1,107,293,836.71
  6. Step 6: Final answer
    x = 979,597,421.23

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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.