Home / 347,210,009.20-520,090,679.40-163,134,593.20

Finding the Fourth Proportional to 347,210,009.20, 520,090,679.40 and 163,134,593.20

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Solution

The fourth proportional to 347,210,009.20, 520,090,679.40 and 163,134,593.20 is: 244,361,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,210,009.20 : 520,090,679.40 = 163,134,593.20 : x
  2. Step 2: Convert to fraction form
    347,210,009.20/520,090,679.40 = 163,134,593.20/x
  3. Step 3: Cross multiply
    347,210,009.20x = 520,090,679.40 × 163,134,593.20
  4. Step 4: Simplify right side
    347,210,009.20x = 84,844,781,411,030,608
  5. Step 5: Solve for x
    x = 84,844,781,411,030,608/347,210,009.20
  6. Step 6: Final answer
    x = 244,361,565.52

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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.