Home / 25,385,724,828.42-38,078,749,508.12-7,458,030,029.34

Finding the Fourth Proportional to 25,385,724,828.42, 38,078,749,508.12 and 7,458,030,029.34

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Solution

The fourth proportional to 25,385,724,828.42, 38,078,749,508.12 and 7,458,030,029.34 is: 11,187,092,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385,724,828.42 : 38,078,749,508.12 = 7,458,030,029.34 : x
  2. Step 2: Convert to fraction form
    25,385,724,828.42/38,078,749,508.12 = 7,458,030,029.34/x
  3. Step 3: Cross multiply
    25,385,724,828.42x = 38,078,749,508.12 × 7,458,030,029.34
  4. Step 4: Simplify right side
    25,385,724,828.42x = 283,992,457,311,274,729,472
  5. Step 5: Solve for x
    x = 283,992,457,311,274,729,472/25,385,724,828.42
  6. Step 6: Final answer
    x = 11,187,092,715.72

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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.