Home / 867,515,165.86-1,197,170,928.87-496,237,197.22

Finding the Fourth Proportional to 867,515,165.86, 1,197,170,928.87 and 496,237,197.22

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Solution

The fourth proportional to 867,515,165.86, 1,197,170,928.87 and 496,237,197.22 is: 684,807,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,515,165.86 : 1,197,170,928.87 = 496,237,197.22 : x
  2. Step 2: Convert to fraction form
    867,515,165.86/1,197,170,928.87 = 496,237,197.22/x
  3. Step 3: Cross multiply
    867,515,165.86x = 1,197,170,928.87 × 496,237,197.22
  4. Step 4: Simplify right side
    867,515,165.86x = 594,080,746,335,712,768
  5. Step 5: Solve for x
    x = 594,080,746,335,712,768/867,515,165.86
  6. Step 6: Final answer
    x = 684,807,332.15

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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.