Home / 31,687,054,401.15-47,530,581,601.73-28,381,066,228.35

Finding the Fourth Proportional to 31,687,054,401.15, 47,530,581,601.73 and 28,381,066,228.35

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Solution

The fourth proportional to 31,687,054,401.15, 47,530,581,601.73 and 28,381,066,228.35 is: 42,571,599,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,687,054,401.15 : 47,530,581,601.73 = 28,381,066,228.35 : x
  2. Step 2: Convert to fraction form
    31,687,054,401.15/47,530,581,601.73 = 28,381,066,228.35/x
  3. Step 3: Cross multiply
    31,687,054,401.15x = 47,530,581,601.73 × 28,381,066,228.35
  4. Step 4: Simplify right side
    31,687,054,401.15x = 1,348,968,584,310,551,216,128
  5. Step 5: Solve for x
    x = 1,348,968,584,310,551,216,128/31,687,054,401.15
  6. Step 6: Final answer
    x = 42,571,599,342.53

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Double scale
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1.5x scale

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.