Home / 1,586,156,700.34-2,188,764,681.86-871,654,684.20

Finding the Fourth Proportional to 1,586,156,700.34, 2,188,764,681.86 and 871,654,684.20

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Solution

The fourth proportional to 1,586,156,700.34, 2,188,764,681.86 and 871,654,684.20 is: 1,202,811,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,156,700.34 : 2,188,764,681.86 = 871,654,684.20 : x
  2. Step 2: Convert to fraction form
    1,586,156,700.34/2,188,764,681.86 = 871,654,684.20/x
  3. Step 3: Cross multiply
    1,586,156,700.34x = 2,188,764,681.86 × 871,654,684.20
  4. Step 4: Simplify right side
    1,586,156,700.34x = 1,907,846,987,554,791,936
  5. Step 5: Solve for x
    x = 1,907,846,987,554,791,936/1,586,156,700.34
  6. Step 6: Final answer
    x = 1,202,811,164.34

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Double scale
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1.5x scale

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.