Home / 516,710,717,418.40-713,058,303,870.45-285,222,211,797.90

Finding the Fourth Proportional to 516,710,717,418.40, 713,058,303,870.45 and 285,222,211,797.90

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Solution

The fourth proportional to 516,710,717,418.40, 713,058,303,870.45 and 285,222,211,797.90 is: 393,605,279,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,710,717,418.40 : 713,058,303,870.45 = 285,222,211,797.90 : x
  2. Step 2: Convert to fraction form
    516,710,717,418.40/713,058,303,870.45 = 285,222,211,797.90/x
  3. Step 3: Cross multiply
    516,710,717,418.40x = 713,058,303,870.45 × 285,222,211,797.90
  4. Step 4: Simplify right side
    516,710,717,418.40x = 203,380,066,570,788,830,969,856
  5. Step 5: Solve for x
    x = 203,380,066,570,788,830,969,856/516,710,717,418.40
  6. Step 6: Final answer
    x = 393,605,279,927.08

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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.