Home / 867,515,157.35-1,197,170,917.13-496,237,188.72

Finding the Fourth Proportional to 867,515,157.35, 1,197,170,917.13 and 496,237,188.72

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Solution

The fourth proportional to 867,515,157.35, 1,197,170,917.13 and 496,237,188.72 is: 684,807,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,515,157.35 : 1,197,170,917.13 = 496,237,188.72 : x
  2. Step 2: Convert to fraction form
    867,515,157.35/1,197,170,917.13 = 496,237,188.72/x
  3. Step 3: Cross multiply
    867,515,157.35x = 1,197,170,917.13 × 496,237,188.72
  4. Step 4: Simplify right side
    867,515,157.35x = 594,080,730,331,454,080
  5. Step 5: Solve for x
    x = 594,080,730,331,454,080/867,515,157.35
  6. Step 6: Final answer
    x = 684,807,320.43

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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.