Home / 824,887,824.79-1,138,066,620.18-467,617,298.65

Finding the Fourth Proportional to 824,887,824.79, 1,138,066,620.18 and 467,617,298.65

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Solution

The fourth proportional to 824,887,824.79, 1,138,066,620.18 and 467,617,298.65 is: 645,153,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,887,824.79 : 1,138,066,620.18 = 467,617,298.65 : x
  2. Step 2: Convert to fraction form
    824,887,824.79/1,138,066,620.18 = 467,617,298.65/x
  3. Step 3: Cross multiply
    824,887,824.79x = 1,138,066,620.18 × 467,617,298.65
  4. Step 4: Simplify right side
    824,887,824.79x = 532,179,638,611,138,112
  5. Step 5: Solve for x
    x = 532,179,638,611,138,112/824,887,824.79
  6. Step 6: Final answer
    x = 645,153,950.17

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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.