Home / 31,126,506,586.90-42,954,599,357.73-16,853,343,879.73

Finding the Fourth Proportional to 31,126,506,586.90, 42,954,599,357.73 and 16,853,343,879.73

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Solution

The fourth proportional to 31,126,506,586.90, 42,954,599,357.73 and 16,853,343,879.73 is: 23,257,625,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126,506,586.90 : 42,954,599,357.73 = 16,853,343,879.73 : x
  2. Step 2: Convert to fraction form
    31,126,506,586.90/42,954,599,357.73 = 16,853,343,879.73/x
  3. Step 3: Cross multiply
    31,126,506,586.90x = 42,954,599,357.73 × 16,853,343,879.73
  4. Step 4: Simplify right side
    31,126,506,586.90x = 723,928,634,191,810,134,016
  5. Step 5: Solve for x
    x = 723,928,634,191,810,134,016/31,126,506,586.90
  6. Step 6: Final answer
    x = 23,257,625,527.96

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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.