Home / 554,933,381.47-765,710,723.81-316,669,780.73

Finding the Fourth Proportional to 554,933,381.47, 765,710,723.81 and 316,669,780.73

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Solution

The fourth proportional to 554,933,381.47, 765,710,723.81 and 316,669,780.73 is: 436,948,749.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,933,381.47 : 765,710,723.81 = 316,669,780.73 : x
  2. Step 2: Convert to fraction form
    554,933,381.47/765,710,723.81 = 316,669,780.73/x
  3. Step 3: Cross multiply
    554,933,381.47x = 765,710,723.81 × 316,669,780.73
  4. Step 4: Simplify right side
    554,933,381.47x = 242,477,447,014,228,256
  5. Step 5: Solve for x
    x = 242,477,447,014,228,256/554,933,381.47
  6. Step 6: Final answer
    x = 436,948,749.37

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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.