Home / 31,461,504,032.40-47,192,256,048.60-12,818,837,187.60

Finding the Fourth Proportional to 31,461,504,032.40, 47,192,256,048.60 and 12,818,837,187.60

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Solution

The fourth proportional to 31,461,504,032.40, 47,192,256,048.60 and 12,818,837,187.60 is: 19,228,255,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461,504,032.40 : 47,192,256,048.60 = 12,818,837,187.60 : x
  2. Step 2: Convert to fraction form
    31,461,504,032.40/47,192,256,048.60 = 12,818,837,187.60/x
  3. Step 3: Cross multiply
    31,461,504,032.40x = 47,192,256,048.60 × 12,818,837,187.60
  4. Step 4: Simplify right side
    31,461,504,032.40x = 604,949,846,802,534,760,448
  5. Step 5: Solve for x
    x = 604,949,846,802,534,760,448/31,461,504,032.40
  6. Step 6: Final answer
    x = 19,228,255,781.40

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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.