Home / 308,333,895,789.24-425,502,000,622.80-172,994,239,690.20

Finding the Fourth Proportional to 308,333,895,789.24, 425,502,000,622.80 and 172,994,239,690.20

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Solution

The fourth proportional to 308,333,895,789.24, 425,502,000,622.80 and 172,994,239,690.20 is: 238,732,737,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,333,895,789.24 : 425,502,000,622.80 = 172,994,239,690.20 : x
  2. Step 2: Convert to fraction form
    308,333,895,789.24/425,502,000,622.80 = 172,994,239,690.20/x
  3. Step 3: Cross multiply
    308,333,895,789.24x = 425,502,000,622.80 × 172,994,239,690.20
  4. Step 4: Simplify right side
    308,333,895,789.24x = 73,609,395,084,400,296,722,432
  5. Step 5: Solve for x
    x = 73,609,395,084,400,296,722,432/308,333,895,789.24
  6. Step 6: Final answer
    x = 238,732,737,754.90

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1.5x scale

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.