Home / 10,781,184,014.80-16,183,869,257.40-8,338,350,504.40

Finding the Fourth Proportional to 10,781,184,014.80, 16,183,869,257.40 and 8,338,350,504.40

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Solution

The fourth proportional to 10,781,184,014.80, 16,183,869,257.40 and 8,338,350,504.40 is: 12,516,878,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,184,014.80 : 16,183,869,257.40 = 8,338,350,504.40 : x
  2. Step 2: Convert to fraction form
    10,781,184,014.80/16,183,869,257.40 = 8,338,350,504.40/x
  3. Step 3: Cross multiply
    10,781,184,014.80x = 16,183,869,257.40 × 8,338,350,504.40
  4. Step 4: Simplify right side
    10,781,184,014.80x = 134,946,774,385,584,930,816
  5. Step 5: Solve for x
    x = 134,946,774,385,584,930,816/10,781,184,014.80
  6. Step 6: Final answer
    x = 12,516,878,869.74

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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.