Home / 42,708,586,821.20-64,081,990,529.40-19,432,244,344.40

Finding the Fourth Proportional to 42,708,586,821.20, 64,081,990,529.40 and 19,432,244,344.40

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Solution

The fourth proportional to 42,708,586,821.20, 64,081,990,529.40 and 19,432,244,344.40 is: 29,157,061,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,708,586,821.20 : 64,081,990,529.40 = 19,432,244,344.40 : x
  2. Step 2: Convert to fraction form
    42,708,586,821.20/64,081,990,529.40 = 19,432,244,344.40/x
  3. Step 3: Cross multiply
    42,708,586,821.20x = 64,081,990,529.40 × 19,432,244,344.40
  4. Step 4: Simplify right side
    42,708,586,821.20x = 1,245,256,898,042,827,636,736
  5. Step 5: Solve for x
    x = 1,245,256,898,042,827,636,736/42,708,586,821.20
  6. Step 6: Final answer
    x = 29,157,061,629.22

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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.