Home / 867,515,158.85-1,197,170,919.20-496,237,190.22

Finding the Fourth Proportional to 867,515,158.85, 1,197,170,919.20 and 496,237,190.22

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Solution

The fourth proportional to 867,515,158.85, 1,197,170,919.20 and 496,237,190.22 is: 684,807,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,515,158.85 : 1,197,170,919.20 = 496,237,190.22 : x
  2. Step 2: Convert to fraction form
    867,515,158.85/1,197,170,919.20 = 496,237,190.22/x
  3. Step 3: Cross multiply
    867,515,158.85x = 1,197,170,919.20 × 496,237,190.22
  4. Step 4: Simplify right side
    867,515,158.85x = 594,080,733,154,421,504
  5. Step 5: Solve for x
    x = 594,080,733,154,421,504/867,515,158.85
  6. Step 6: Final answer
    x = 684,807,322.50

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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.