Home / 31,597,885,385.07-47,389,575,207.16-18,838,569,899.41

Finding the Fourth Proportional to 31,597,885,385.07, 47,389,575,207.16 and 18,838,569,899.41

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Solution

The fourth proportional to 31,597,885,385.07, 47,389,575,207.16 and 18,838,569,899.41 is: 28,253,530,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,597,885,385.07 : 47,389,575,207.16 = 18,838,569,899.41 : x
  2. Step 2: Convert to fraction form
    31,597,885,385.07/47,389,575,207.16 = 18,838,569,899.41/x
  3. Step 3: Cross multiply
    31,597,885,385.07x = 47,389,575,207.16 × 18,838,569,899.41
  4. Step 4: Simplify right side
    31,597,885,385.07x = 892,751,825,043,430,834,176
  5. Step 5: Solve for x
    x = 892,751,825,043,430,834,176/31,597,885,385.07
  6. Step 6: Final answer
    x = 28,253,530,708.27

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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.