Home / 512,008,199.28-706,572,543.21-277,061,380.87

Finding the Fourth Proportional to 512,008,199.28, 706,572,543.21 and 277,061,380.87

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Solution

The fourth proportional to 512,008,199.28, 706,572,543.21 and 277,061,380.87 is: 382,345,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,008,199.28 : 706,572,543.21 = 277,061,380.87 : x
  2. Step 2: Convert to fraction form
    512,008,199.28/706,572,543.21 = 277,061,380.87/x
  3. Step 3: Cross multiply
    512,008,199.28x = 706,572,543.21 × 277,061,380.87
  4. Step 4: Simplify right side
    512,008,199.28x = 195,763,964,506,590,368
  5. Step 5: Solve for x
    x = 195,763,964,506,590,368/512,008,199.28
  6. Step 6: Final answer
    x = 382,345,370.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.