Home / 18,865,211,312.92-28,287,198,627.54-6,267,325,347.76

Finding the Fourth Proportional to 18,865,211,312.92, 28,287,198,627.54 and 6,267,325,347.76

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Solution

The fourth proportional to 18,865,211,312.92, 28,287,198,627.54 and 6,267,325,347.76 is: 9,397,460,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865,211,312.92 : 28,287,198,627.54 = 6,267,325,347.76 : x
  2. Step 2: Convert to fraction form
    18,865,211,312.92/28,287,198,627.54 = 6,267,325,347.76/x
  3. Step 3: Cross multiply
    18,865,211,312.92x = 28,287,198,627.54 × 6,267,325,347.76
  4. Step 4: Simplify right side
    18,865,211,312.92x = 177,285,076,975,503,343,616
  5. Step 5: Solve for x
    x = 177,285,076,975,503,343,616/18,865,211,312.92
  6. Step 6: Final answer
    x = 9,397,460,438.41

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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.