Home / 20,070,020,080.87-30,118,293,051.86-9,449,281,720.83

Finding the Fourth Proportional to 20,070,020,080.87, 30,118,293,051.86 and 9,449,281,720.83

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Solution

The fourth proportional to 20,070,020,080.87, 30,118,293,051.86 and 9,449,281,720.83 is: 14,180,166,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,020,080.87 : 30,118,293,051.86 = 9,449,281,720.83 : x
  2. Step 2: Convert to fraction form
    20,070,020,080.87/30,118,293,051.86 = 9,449,281,720.83/x
  3. Step 3: Cross multiply
    20,070,020,080.87x = 30,118,293,051.86 × 9,449,281,720.83
  4. Step 4: Simplify right side
    20,070,020,080.87x = 284,596,235,997,427,040,256
  5. Step 5: Solve for x
    x = 284,596,235,997,427,040,256/20,070,020,080.87
  6. Step 6: Final answer
    x = 14,180,166,977.94

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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.