Home / 31,789,940,782.60-47,684,911,173.90-9,706,937,480.20

Finding the Fourth Proportional to 31,789,940,782.60, 47,684,911,173.90 and 9,706,937,480.20

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Solution

The fourth proportional to 31,789,940,782.60, 47,684,911,173.90 and 9,706,937,480.20 is: 14,560,406,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789,940,782.60 : 47,684,911,173.90 = 9,706,937,480.20 : x
  2. Step 2: Convert to fraction form
    31,789,940,782.60/47,684,911,173.90 = 9,706,937,480.20/x
  3. Step 3: Cross multiply
    31,789,940,782.60x = 47,684,911,173.90 × 9,706,937,480.20
  4. Step 4: Simplify right side
    31,789,940,782.60x = 462,874,451,513,937,756,160
  5. Step 5: Solve for x
    x = 462,874,451,513,937,756,160/31,789,940,782.60
  6. Step 6: Final answer
    x = 14,560,406,220.30

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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.