Home / 646,836,236.96-892,634,006.98-368,403,668.24

Finding the Fourth Proportional to 646,836,236.96, 892,634,006.98 and 368,403,668.24

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Solution

The fourth proportional to 646,836,236.96, 892,634,006.98 and 368,403,668.24 is: 508,397,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,836,236.96 : 892,634,006.98 = 368,403,668.24 : x
  2. Step 2: Convert to fraction form
    646,836,236.96/892,634,006.98 = 368,403,668.24/x
  3. Step 3: Cross multiply
    646,836,236.96x = 892,634,006.98 × 368,403,668.24
  4. Step 4: Simplify right side
    646,836,236.96x = 328,849,642,561,136,064
  5. Step 5: Solve for x
    x = 328,849,642,561,136,064/646,836,236.96
  6. Step 6: Final answer
    x = 508,397,062.15

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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.