Home / 9,980,765,334.80-14,971,148,002.20-2,620,520,061.20

Finding the Fourth Proportional to 9,980,765,334.80, 14,971,148,002.20 and 2,620,520,061.20

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Solution

The fourth proportional to 9,980,765,334.80, 14,971,148,002.20 and 2,620,520,061.20 is: 3,930,780,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,765,334.80 : 14,971,148,002.20 = 2,620,520,061.20 : x
  2. Step 2: Convert to fraction form
    9,980,765,334.80/14,971,148,002.20 = 2,620,520,061.20/x
  3. Step 3: Cross multiply
    9,980,765,334.80x = 14,971,148,002.20 × 2,620,520,061.20
  4. Step 4: Simplify right side
    9,980,765,334.80x = 39,232,193,678,959,403,008
  5. Step 5: Solve for x
    x = 39,232,193,678,959,403,008/9,980,765,334.80
  6. Step 6: Final answer
    x = 3,930,780,091.80

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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.