Home / 981,303,566.15-1,354,203,131.38-535,276,649.41

Finding the Fourth Proportional to 981,303,566.15, 1,354,203,131.38 and 535,276,649.41

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Solution

The fourth proportional to 981,303,566.15, 1,354,203,131.38 and 535,276,649.41 is: 738,684,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,303,566.15 : 1,354,203,131.38 = 535,276,649.41 : x
  2. Step 2: Convert to fraction form
    981,303,566.15/1,354,203,131.38 = 535,276,649.41/x
  3. Step 3: Cross multiply
    981,303,566.15x = 1,354,203,131.38 × 535,276,649.41
  4. Step 4: Simplify right side
    981,303,566.15x = 724,873,314,780,892,800
  5. Step 5: Solve for x
    x = 724,873,314,780,892,800/981,303,566.15
  6. Step 6: Final answer
    x = 738,684,072.68

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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.