Home / 13,802,825,753.57-19,048,753,151.28-7,615,874,394.23

Finding the Fourth Proportional to 13,802,825,753.57, 19,048,753,151.28 and 7,615,874,394.23

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Solution

The fourth proportional to 13,802,825,753.57, 19,048,753,151.28 and 7,615,874,394.23 is: 10,510,377,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802,825,753.57 : 19,048,753,151.28 = 7,615,874,394.23 : x
  2. Step 2: Convert to fraction form
    13,802,825,753.57/19,048,753,151.28 = 7,615,874,394.23/x
  3. Step 3: Cross multiply
    13,802,825,753.57x = 19,048,753,151.28 × 7,615,874,394.23
  4. Step 4: Simplify right side
    13,802,825,753.57x = 145,072,911,366,746,128,384
  5. Step 5: Solve for x
    x = 145,072,911,366,746,128,384/13,802,825,753.57
  6. Step 6: Final answer
    x = 10,510,377,654.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.