Home / 927,148,032,115.80-1,390,722,048,173.80-778,378,564,339.80

Finding the Fourth Proportional to 927,148,032,115.80, 1,390,722,048,173.80 and 778,378,564,339.80

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Solution

The fourth proportional to 927,148,032,115.80, 1,390,722,048,173.80 and 778,378,564,339.80 is: 1,167,567,846,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,148,032,115.80 : 1,390,722,048,173.80 = 778,378,564,339.80 : x
  2. Step 2: Convert to fraction form
    927,148,032,115.80/1,390,722,048,173.80 = 778,378,564,339.80/x
  3. Step 3: Cross multiply
    927,148,032,115.80x = 1,390,722,048,173.80 × 778,378,564,339.80
  4. Step 4: Simplify right side
    927,148,032,115.80x = 1,082,508,231,253,228,691,390,464
  5. Step 5: Solve for x
    x = 1,082,508,231,253,228,691,390,464/927,148,032,115.80
  6. Step 6: Final answer
    x = 1,167,567,846,509.78

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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.