Home / 561,893,305.92-842,456,878.45-285,010,613.67

Finding the Fourth Proportional to 561,893,305.92, 842,456,878.45 and 285,010,613.67

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Solution

The fourth proportional to 561,893,305.92, 842,456,878.45 and 285,010,613.67 is: 427,321,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,893,305.92 : 842,456,878.45 = 285,010,613.67 : x
  2. Step 2: Convert to fraction form
    561,893,305.92/842,456,878.45 = 285,010,613.67/x
  3. Step 3: Cross multiply
    561,893,305.92x = 842,456,878.45 × 285,010,613.67
  4. Step 4: Simplify right side
    561,893,305.92x = 240,109,151,917,547,136
  5. Step 5: Solve for x
    x = 240,109,151,917,547,136/561,893,305.92
  6. Step 6: Final answer
    x = 427,321,609.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.