Home / 346,999,520.70-520,480,122.16-253,722,079.13

Finding the Fourth Proportional to 346,999,520.70, 520,480,122.16 and 253,722,079.13

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Solution

The fourth proportional to 346,999,520.70, 520,480,122.16 and 253,722,079.13 is: 380,569,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,999,520.70 : 520,480,122.16 = 253,722,079.13 : x
  2. Step 2: Convert to fraction form
    346,999,520.70/520,480,122.16 = 253,722,079.13/x
  3. Step 3: Cross multiply
    346,999,520.70x = 520,480,122.16 × 253,722,079.13
  4. Step 4: Simplify right side
    346,999,520.70x = 132,057,298,740,271,584
  5. Step 5: Solve for x
    x = 132,057,298,740,271,584/346,999,520.70
  6. Step 6: Final answer
    x = 380,569,109.93

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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.