Home / 867,515,164.86-1,197,170,927.49-496,237,196.22

Finding the Fourth Proportional to 867,515,164.86, 1,197,170,927.49 and 496,237,196.22

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Solution

The fourth proportional to 867,515,164.86, 1,197,170,927.49 and 496,237,196.22 is: 684,807,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,515,164.86 : 1,197,170,927.49 = 496,237,196.22 : x
  2. Step 2: Convert to fraction form
    867,515,164.86/1,197,170,927.49 = 496,237,196.22/x
  3. Step 3: Cross multiply
    867,515,164.86x = 1,197,170,927.49 × 496,237,196.22
  4. Step 4: Simplify right side
    867,515,164.86x = 594,080,744,453,734,528
  5. Step 5: Solve for x
    x = 594,080,744,453,734,528/867,515,164.86
  6. Step 6: Final answer
    x = 684,807,330.77

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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.