Home / 3,852,313,013.20-5,316,519,829.80-2,181,859,318.48

Finding the Fourth Proportional to 3,852,313,013.20, 5,316,519,829.80 and 2,181,859,318.48

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Solution

The fourth proportional to 3,852,313,013.20, 5,316,519,829.80 and 2,181,859,318.48 is: 3,011,151,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,313,013.20 : 5,316,519,829.80 = 2,181,859,318.48 : x
  2. Step 2: Convert to fraction form
    3,852,313,013.20/5,316,519,829.80 = 2,181,859,318.48/x
  3. Step 3: Cross multiply
    3,852,313,013.20x = 5,316,519,829.80 × 2,181,859,318.48
  4. Step 4: Simplify right side
    3,852,313,013.20x = 11,599,898,332,532,834,304
  5. Step 5: Solve for x
    x = 11,599,898,332,532,834,304/3,852,313,013.20
  6. Step 6: Final answer
    x = 3,011,151,558.24

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Double scale
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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.