Home / 368,215,470,436.91-508,063,652,743.05-205,610,097,111.39

Finding the Fourth Proportional to 368,215,470,436.91, 508,063,652,743.05 and 205,610,097,111.39

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Solution

The fourth proportional to 368,215,470,436.91, 508,063,652,743.05 and 205,610,097,111.39 is: 283,700,782,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,215,470,436.91 : 508,063,652,743.05 = 205,610,097,111.39 : x
  2. Step 2: Convert to fraction form
    368,215,470,436.91/508,063,652,743.05 = 205,610,097,111.39/x
  3. Step 3: Cross multiply
    368,215,470,436.91x = 508,063,652,743.05 × 205,610,097,111.39
  4. Step 4: Simplify right side
    368,215,470,436.91x = 104,463,016,979,266,044,690,432
  5. Step 5: Solve for x
    x = 104,463,016,979,266,044,690,432/368,215,470,436.91
  6. Step 6: Final answer
    x = 283,700,782,195.04

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1.5x scale

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.