Home / 824,887,824.54-1,138,066,619.83-467,617,298.40

Finding the Fourth Proportional to 824,887,824.54, 1,138,066,619.83 and 467,617,298.40

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Solution

The fourth proportional to 824,887,824.54, 1,138,066,619.83 and 467,617,298.40 is: 645,153,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,887,824.54 : 1,138,066,619.83 = 467,617,298.40 : x
  2. Step 2: Convert to fraction form
    824,887,824.54/1,138,066,619.83 = 467,617,298.40/x
  3. Step 3: Cross multiply
    824,887,824.54x = 1,138,066,619.83 × 467,617,298.40
  4. Step 4: Simplify right side
    824,887,824.54x = 532,179,638,165,574,080
  5. Step 5: Solve for x
    x = 532,179,638,165,574,080/824,887,824.54
  6. Step 6: Final answer
    x = 645,153,949.83

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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.