Home / 824,968,367.06-1,138,440,561.21-453,690,398.43

Finding the Fourth Proportional to 824,968,367.06, 1,138,440,561.21 and 453,690,398.43

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Solution

The fourth proportional to 824,968,367.06, 1,138,440,561.21 and 453,690,398.43 is: 626,084,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,968,367.06 : 1,138,440,561.21 = 453,690,398.43 : x
  2. Step 2: Convert to fraction form
    824,968,367.06/1,138,440,561.21 = 453,690,398.43/x
  3. Step 3: Cross multiply
    824,968,367.06x = 1,138,440,561.21 × 453,690,398.43
  4. Step 4: Simplify right side
    824,968,367.06x = 516,499,551,804,237,760
  5. Step 5: Solve for x
    x = 516,499,551,804,237,760/824,968,367.06
  6. Step 6: Final answer
    x = 626,084,068.71

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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.