Home / 386,291,883,089.80-533,082,824,297.46-215,010,138,795.40

Finding the Fourth Proportional to 386,291,883,089.80, 533,082,824,297.46 and 215,010,138,795.40

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Solution

The fourth proportional to 386,291,883,089.80, 533,082,824,297.46 and 215,010,138,795.40 is: 296,714,005,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,291,883,089.80 : 533,082,824,297.46 = 215,010,138,795.40 : x
  2. Step 2: Convert to fraction form
    386,291,883,089.80/533,082,824,297.46 = 215,010,138,795.40/x
  3. Step 3: Cross multiply
    386,291,883,089.80x = 533,082,824,297.46 × 215,010,138,795.40
  4. Step 4: Simplify right side
    386,291,883,089.80x = 114,618,212,041,640,713,912,320
  5. Step 5: Solve for x
    x = 114,618,212,041,640,713,912,320/386,291,883,089.80
  6. Step 6: Final answer
    x = 296,714,005,805.28

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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.