Home / 821,382,771.18-1,133,563,837.53-464,026,605.54

Finding the Fourth Proportional to 821,382,771.18, 1,133,563,837.53 and 464,026,605.54

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Solution

The fourth proportional to 821,382,771.18, 1,133,563,837.53 and 464,026,605.54 is: 640,388,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,382,771.18 : 1,133,563,837.53 = 464,026,605.54 : x
  2. Step 2: Convert to fraction form
    821,382,771.18/1,133,563,837.53 = 464,026,605.54/x
  3. Step 3: Cross multiply
    821,382,771.18x = 1,133,563,837.53 × 464,026,605.54
  4. Step 4: Simplify right side
    821,382,771.18x = 526,003,779,691,941,952
  5. Step 5: Solve for x
    x = 526,003,779,691,941,952/821,382,771.18
  6. Step 6: Final answer
    x = 640,388,133.46

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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.