Home / 28,530,665,043.24-42,758,768,877.14-15,939,014,875.14

Finding the Fourth Proportional to 28,530,665,043.24, 42,758,768,877.14 and 15,939,014,875.14

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Solution

The fourth proportional to 28,530,665,043.24, 42,758,768,877.14 and 15,939,014,875.14 is: 23,887,724,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,665,043.24 : 42,758,768,877.14 = 15,939,014,875.14 : x
  2. Step 2: Convert to fraction form
    28,530,665,043.24/42,758,768,877.14 = 15,939,014,875.14/x
  3. Step 3: Cross multiply
    28,530,665,043.24x = 42,758,768,877.14 × 15,939,014,875.14
  4. Step 4: Simplify right side
    28,530,665,043.24x = 681,532,653,175,407,640,576
  5. Step 5: Solve for x
    x = 681,532,653,175,407,640,576/28,530,665,043.24
  6. Step 6: Final answer
    x = 23,887,724,038.07

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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.