Home / 28,530,665,237.42-42,758,769,169.31-15,939,015,069.31

Finding the Fourth Proportional to 28,530,665,237.42, 42,758,769,169.31 and 15,939,015,069.31

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Solution

The fourth proportional to 28,530,665,237.42, 42,758,769,169.31 and 15,939,015,069.31 is: 23,887,724,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,665,237.42 : 42,758,769,169.31 = 15,939,015,069.31 : x
  2. Step 2: Convert to fraction form
    28,530,665,237.42/42,758,769,169.31 = 15,939,015,069.31/x
  3. Step 3: Cross multiply
    28,530,665,237.42x = 42,758,769,169.31 × 15,939,015,069.31
  4. Step 4: Simplify right side
    28,530,665,237.42x = 681,532,666,134,779,920,384
  5. Step 5: Solve for x
    x = 681,532,666,134,779,920,384/28,530,665,237.42
  6. Step 6: Final answer
    x = 23,887,724,329.71

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1.5x scale

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.