Home / 817,646,352.89-1,128,346,227.16-446,368,384.27

Finding the Fourth Proportional to 817,646,352.89, 1,128,346,227.16 and 446,368,384.27

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Solution

The fourth proportional to 817,646,352.89, 1,128,346,227.16 and 446,368,384.27 is: 615,985,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,646,352.89 : 1,128,346,227.16 = 446,368,384.27 : x
  2. Step 2: Convert to fraction form
    817,646,352.89/1,128,346,227.16 = 446,368,384.27/x
  3. Step 3: Cross multiply
    817,646,352.89x = 1,128,346,227.16 × 446,368,384.27
  4. Step 4: Simplify right side
    817,646,352.89x = 503,658,082,314,559,616
  5. Step 5: Solve for x
    x = 503,658,082,314,559,616/817,646,352.89
  6. Step 6: Final answer
    x = 615,985,236.81

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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.