Home / 20,697,983,999.60-31,046,975,999.40-8,270,169,292.40

Finding the Fourth Proportional to 20,697,983,999.60, 31,046,975,999.40 and 8,270,169,292.40

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Solution

The fourth proportional to 20,697,983,999.60, 31,046,975,999.40 and 8,270,169,292.40 is: 12,405,253,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,983,999.60 : 31,046,975,999.40 = 8,270,169,292.40 : x
  2. Step 2: Convert to fraction form
    20,697,983,999.60/31,046,975,999.40 = 8,270,169,292.40/x
  3. Step 3: Cross multiply
    20,697,983,999.60x = 31,046,975,999.40 × 8,270,169,292.40
  4. Step 4: Simplify right side
    20,697,983,999.60x = 256,763,747,532,117,671,936
  5. Step 5: Solve for x
    x = 256,763,747,532,117,671,936/20,697,983,999.60
  6. Step 6: Final answer
    x = 12,405,253,938.60

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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.