Home / 56,576,698,243.13-78,075,921,005.57-30,856,040,344.73

Finding the Fourth Proportional to 56,576,698,243.13, 78,075,921,005.57 and 30,856,040,344.73

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Solution

The fourth proportional to 56,576,698,243.13, 78,075,921,005.57 and 30,856,040,344.73 is: 42,581,377,904.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,576,698,243.13 : 78,075,921,005.57 = 30,856,040,344.73 : x
  2. Step 2: Convert to fraction form
    56,576,698,243.13/78,075,921,005.57 = 30,856,040,344.73/x
  3. Step 3: Cross multiply
    56,576,698,243.13x = 78,075,921,005.57 × 30,856,040,344.73
  4. Step 4: Simplify right side
    56,576,698,243.13x = 2,409,113,768,499,822,460,928
  5. Step 5: Solve for x
    x = 2,409,113,768,499,822,460,928/56,576,698,243.13
  6. Step 6: Final answer
    x = 42,581,377,904.86

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1.5x scale

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.