Home / 981,303,598.71-1,354,203,176.40-535,276,682.10

Finding the Fourth Proportional to 981,303,598.71, 1,354,203,176.40 and 535,276,682.10

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Solution

The fourth proportional to 981,303,598.71, 1,354,203,176.40 and 535,276,682.10 is: 738,684,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,303,598.71 : 1,354,203,176.40 = 535,276,682.10 : x
  2. Step 2: Convert to fraction form
    981,303,598.71/1,354,203,176.40 = 535,276,682.10/x
  3. Step 3: Cross multiply
    981,303,598.71x = 1,354,203,176.40 × 535,276,682.10
  4. Step 4: Simplify right side
    981,303,598.71x = 724,873,383,152,673,152
  5. Step 5: Solve for x
    x = 724,873,383,152,673,152/981,303,598.71
  6. Step 6: Final answer
    x = 738,684,117.85

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Double scale
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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.