Home / 646,836,237.96-892,634,008.36-368,403,669.24

Finding the Fourth Proportional to 646,836,237.96, 892,634,008.36 and 368,403,669.24

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Solution

The fourth proportional to 646,836,237.96, 892,634,008.36 and 368,403,669.24 is: 508,397,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,836,237.96 : 892,634,008.36 = 368,403,669.24 : x
  2. Step 2: Convert to fraction form
    646,836,237.96/892,634,008.36 = 368,403,669.24/x
  3. Step 3: Cross multiply
    646,836,237.96x = 892,634,008.36 × 368,403,669.24
  4. Step 4: Simplify right side
    646,836,237.96x = 328,849,643,968,232,832
  5. Step 5: Solve for x
    x = 328,849,643,968,232,832/646,836,237.96
  6. Step 6: Final answer
    x = 508,397,063.54

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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.