Home / 392,641,063,480.04-589,131,678,105.15-210,911,846,613.09

Finding the Fourth Proportional to 392,641,063,480.04, 589,131,678,105.15 and 210,911,846,613.09

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Solution

The fourth proportional to 392,641,063,480.04, 589,131,678,105.15 and 210,911,846,613.09 is: 316,459,131,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,641,063,480.04 : 589,131,678,105.15 = 210,911,846,613.09 : x
  2. Step 2: Convert to fraction form
    392,641,063,480.04/589,131,678,105.15 = 210,911,846,613.09/x
  3. Step 3: Cross multiply
    392,641,063,480.04x = 589,131,678,105.15 × 210,911,846,613.09
  4. Step 4: Simplify right side
    392,641,063,480.04x = 124,254,850,127,425,710,325,760
  5. Step 5: Solve for x
    x = 124,254,850,127,425,710,325,760/392,641,063,480.04
  6. Step 6: Final answer
    x = 316,459,131,977.02

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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.