Home / 31,461,504,010.40-47,192,256,015.60-12,818,837,165.60

Finding the Fourth Proportional to 31,461,504,010.40, 47,192,256,015.60 and 12,818,837,165.60

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Solution

The fourth proportional to 31,461,504,010.40, 47,192,256,015.60 and 12,818,837,165.60 is: 19,228,255,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461,504,010.40 : 47,192,256,015.60 = 12,818,837,165.60 : x
  2. Step 2: Convert to fraction form
    31,461,504,010.40/47,192,256,015.60 = 12,818,837,165.60/x
  3. Step 3: Cross multiply
    31,461,504,010.40x = 47,192,256,015.60 × 12,818,837,165.60
  4. Step 4: Simplify right side
    31,461,504,010.40x = 604,949,845,341,283,418,112
  5. Step 5: Solve for x
    x = 604,949,845,341,283,418,112/31,461,504,010.40
  6. Step 6: Final answer
    x = 19,228,255,748.40

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Double scale
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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.