Home / 1,119,693,600,612.60-1,679,616,248,724.40-393,536,647,399.47

Finding the Fourth Proportional to 1,119,693,600,612.60, 1,679,616,248,724.40 and 393,536,647,399.47

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Solution

The fourth proportional to 1,119,693,600,612.60, 1,679,616,248,724.40 and 393,536,647,399.47 is: 590,331,629,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,693,600,612.60 : 1,679,616,248,724.40 = 393,536,647,399.47 : x
  2. Step 2: Convert to fraction form
    1,119,693,600,612.60/1,679,616,248,724.40 = 393,536,647,399.47/x
  3. Step 3: Cross multiply
    1,119,693,600,612.60x = 1,679,616,248,724.40 × 393,536,647,399.47
  4. Step 4: Simplify right side
    1,119,693,600,612.60x = 660,990,547,440,674,560,540,672
  5. Step 5: Solve for x
    x = 660,990,547,440,674,560,540,672/1,119,693,600,612.60
  6. Step 6: Final answer
    x = 590,331,629,187.70

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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.