Home / 821,382,832.17-1,133,563,921.70-464,026,666.55

Finding the Fourth Proportional to 821,382,832.17, 1,133,563,921.70 and 464,026,666.55

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Solution

The fourth proportional to 821,382,832.17, 1,133,563,921.70 and 464,026,666.55 is: 640,388,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,382,832.17 : 1,133,563,921.70 = 464,026,666.55 : x
  2. Step 2: Convert to fraction form
    821,382,832.17/1,133,563,921.70 = 464,026,666.55/x
  3. Step 3: Cross multiply
    821,382,832.17x = 1,133,563,921.70 × 464,026,666.55
  4. Step 4: Simplify right side
    821,382,832.17x = 526,003,887,899,808,256
  5. Step 5: Solve for x
    x = 526,003,887,899,808,256/821,382,832.17
  6. Step 6: Final answer
    x = 640,388,217.65

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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.