Home / 817,646,351.89-1,128,346,225.78-446,368,383.27

Finding the Fourth Proportional to 817,646,351.89, 1,128,346,225.78 and 446,368,383.27

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Solution

The fourth proportional to 817,646,351.89, 1,128,346,225.78 and 446,368,383.27 is: 615,985,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,646,351.89 : 1,128,346,225.78 = 446,368,383.27 : x
  2. Step 2: Convert to fraction form
    817,646,351.89/1,128,346,225.78 = 446,368,383.27/x
  3. Step 3: Cross multiply
    817,646,351.89x = 1,128,346,225.78 × 446,368,383.27
  4. Step 4: Simplify right side
    817,646,351.89x = 503,658,080,570,224,960
  5. Step 5: Solve for x
    x = 503,658,080,570,224,960/817,646,351.89
  6. Step 6: Final answer
    x = 615,985,235.43

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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.