Home / 20,529,728,884.23-30,807,547,200.72-8,738,828,107.17

Finding the Fourth Proportional to 20,529,728,884.23, 30,807,547,200.72 and 8,738,828,107.17

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Solution

The fourth proportional to 20,529,728,884.23, 30,807,547,200.72 and 8,738,828,107.17 is: 13,113,756,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529,728,884.23 : 30,807,547,200.72 = 8,738,828,107.17 : x
  2. Step 2: Convert to fraction form
    20,529,728,884.23/30,807,547,200.72 = 8,738,828,107.17/x
  3. Step 3: Cross multiply
    20,529,728,884.23x = 30,807,547,200.72 × 8,738,828,107.17
  4. Step 4: Simplify right side
    20,529,728,884.23x = 269,221,859,390,618,402,816
  5. Step 5: Solve for x
    x = 269,221,859,390,618,402,816/20,529,728,884.23
  6. Step 6: Final answer
    x = 13,113,756,197.60

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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.