Home / 8,540,623,709.42-12,811,781,509.43-3,157,675,769.04

Finding the Fourth Proportional to 8,540,623,709.42, 12,811,781,509.43 and 3,157,675,769.04

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Solution

The fourth proportional to 8,540,623,709.42, 12,811,781,509.43 and 3,157,675,769.04 is: 4,736,826,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,623,709.42 : 12,811,781,509.43 = 3,157,675,769.04 : x
  2. Step 2: Convert to fraction form
    8,540,623,709.42/12,811,781,509.43 = 3,157,675,769.04/x
  3. Step 3: Cross multiply
    8,540,623,709.42x = 12,811,781,509.43 × 3,157,675,769.04
  4. Step 4: Simplify right side
    8,540,623,709.42x = 40,455,452,030,498,635,776
  5. Step 5: Solve for x
    x = 40,455,452,030,498,635,776/8,540,623,709.42
  6. Step 6: Final answer
    x = 4,736,826,420.05

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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.