Home / 472,695,044.96-708,918,808.79-140,612,580.84

Finding the Fourth Proportional to 472,695,044.96, 708,918,808.79 and 140,612,580.84

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Solution

The fourth proportional to 472,695,044.96, 708,918,808.79 and 140,612,580.84 is: 210,882,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,695,044.96 : 708,918,808.79 = 140,612,580.84 : x
  2. Step 2: Convert to fraction form
    472,695,044.96/708,918,808.79 = 140,612,580.84/x
  3. Step 3: Cross multiply
    472,695,044.96x = 708,918,808.79 × 140,612,580.84
  4. Step 4: Simplify right side
    472,695,044.96x = 99,682,903,309,277,312
  5. Step 5: Solve for x
    x = 99,682,903,309,277,312/472,695,044.96
  6. Step 6: Final answer
    x = 210,882,056.78

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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.