Home / 905,384,434.14-1,358,603,721.45-380,715,610.86

Finding the Fourth Proportional to 905,384,434.14, 1,358,603,721.45 and 380,715,610.86

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Solution

The fourth proportional to 905,384,434.14, 1,358,603,721.45 and 380,715,610.86 is: 571,295,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,384,434.14 : 1,358,603,721.45 = 380,715,610.86 : x
  2. Step 2: Convert to fraction form
    905,384,434.14/1,358,603,721.45 = 380,715,610.86/x
  3. Step 3: Cross multiply
    905,384,434.14x = 1,358,603,721.45 × 380,715,610.86
  4. Step 4: Simplify right side
    905,384,434.14x = 517,241,645,728,506,048
  5. Step 5: Solve for x
    x = 517,241,645,728,506,048/905,384,434.14
  6. Step 6: Final answer
    x = 571,295,050.17

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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.