Home / 1,853,120,647.17-2,779,678,739.91-472,935,302.73

Finding the Fourth Proportional to 1,853,120,647.17, 2,779,678,739.91 and 472,935,302.73

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Solution

The fourth proportional to 1,853,120,647.17, 2,779,678,739.91 and 472,935,302.73 is: 709,402,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,120,647.17 : 2,779,678,739.91 = 472,935,302.73 : x
  2. Step 2: Convert to fraction form
    1,853,120,647.17/2,779,678,739.91 = 472,935,302.73/x
  3. Step 3: Cross multiply
    1,853,120,647.17x = 2,779,678,739.91 × 472,935,302.73
  4. Step 4: Simplify right side
    1,853,120,647.17x = 1,314,608,206,351,480,832
  5. Step 5: Solve for x
    x = 1,314,608,206,351,480,832/1,853,120,647.17
  6. Step 6: Final answer
    x = 709,402,384.76

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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.