Home / 28,530,218,953.94-42,788,256,528.87-9,643,086,730.29

Finding the Fourth Proportional to 28,530,218,953.94, 42,788,256,528.87 and 9,643,086,730.29

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Solution

The fourth proportional to 28,530,218,953.94, 42,788,256,528.87 and 9,643,086,730.29 is: 14,462,239,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,218,953.94 : 42,788,256,528.87 = 9,643,086,730.29 : x
  2. Step 2: Convert to fraction form
    28,530,218,953.94/42,788,256,528.87 = 9,643,086,730.29/x
  3. Step 3: Cross multiply
    28,530,218,953.94x = 42,788,256,528.87 × 9,643,086,730.29
  4. Step 4: Simplify right side
    28,530,218,953.94x = 412,610,868,745,790,816,256
  5. Step 5: Solve for x
    x = 412,610,868,745,790,816,256/28,530,218,953.94
  6. Step 6: Final answer
    x = 14,462,239,824.10

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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.