Home / 8,621,205,999.30-12,931,808,998.95-8,621,205,999.30

Finding the Fourth Proportional to 8,621,205,999.30, 12,931,808,998.95 and 8,621,205,999.30

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Solution

The fourth proportional to 8,621,205,999.30, 12,931,808,998.95 and 8,621,205,999.30 is: 12,931,808,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621,205,999.30 : 12,931,808,998.95 = 8,621,205,999.30 : x
  2. Step 2: Convert to fraction form
    8,621,205,999.30/12,931,808,998.95 = 8,621,205,999.30/x
  3. Step 3: Cross multiply
    8,621,205,999.30x = 12,931,808,998.95 × 8,621,205,999.30
  4. Step 4: Simplify right side
    8,621,205,999.30x = 111,487,789,323,549,458,432
  5. Step 5: Solve for x
    x = 111,487,789,323,549,458,432/8,621,205,999.30
  6. Step 6: Final answer
    x = 12,931,808,998.95

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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.