Home / 12,992,810,571.19-17,929,614,671.58-7,353,905,353.79

Finding the Fourth Proportional to 12,992,810,571.19, 17,929,614,671.58 and 7,353,905,353.79

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Solution

The fourth proportional to 12,992,810,571.19, 17,929,614,671.58 and 7,353,905,353.79 is: 10,148,126,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,810,571.19 : 17,929,614,671.58 = 7,353,905,353.79 : x
  2. Step 2: Convert to fraction form
    12,992,810,571.19/17,929,614,671.58 = 7,353,905,353.79/x
  3. Step 3: Cross multiply
    12,992,810,571.19x = 17,929,614,671.58 × 7,353,905,353.79
  4. Step 4: Simplify right side
    12,992,810,571.19x = 131,852,689,324,687,130,624
  5. Step 5: Solve for x
    x = 131,852,689,324,687,130,624/12,992,810,571.19
  6. Step 6: Final answer
    x = 10,148,126,812.31

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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.