Home / 745,601,669.51-1,118,408,108.18-330,967,020.83

Finding the Fourth Proportional to 745,601,669.51, 1,118,408,108.18 and 330,967,020.83

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Solution

The fourth proportional to 745,601,669.51, 1,118,408,108.18 and 330,967,020.83 is: 496,453,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,601,669.51 : 1,118,408,108.18 = 330,967,020.83 : x
  2. Step 2: Convert to fraction form
    745,601,669.51/1,118,408,108.18 = 330,967,020.83/x
  3. Step 3: Cross multiply
    745,601,669.51x = 1,118,408,108.18 × 330,967,020.83
  4. Step 4: Simplify right side
    745,601,669.51x = 370,156,199,629,204,032
  5. Step 5: Solve for x
    x = 370,156,199,629,204,032/745,601,669.51
  6. Step 6: Final answer
    x = 496,453,018.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.