Home / 8,621,315,999.10-12,931,973,998.65-6,761,697,651.90

Finding the Fourth Proportional to 8,621,315,999.10, 12,931,973,998.65 and 6,761,697,651.90

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Solution

The fourth proportional to 8,621,315,999.10, 12,931,973,998.65 and 6,761,697,651.90 is: 10,142,546,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621,315,999.10 : 12,931,973,998.65 = 6,761,697,651.90 : x
  2. Step 2: Convert to fraction form
    8,621,315,999.10/12,931,973,998.65 = 6,761,697,651.90/x
  3. Step 3: Cross multiply
    8,621,315,999.10x = 12,931,973,998.65 × 6,761,697,651.90
  4. Step 4: Simplify right side
    8,621,315,999.10x = 87,442,098,221,103,546,368
  5. Step 5: Solve for x
    x = 87,442,098,221,103,546,368/8,621,315,999.10
  6. Step 6: Final answer
    x = 10,142,546,477.85

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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.