Home / 31,368,759,893.48-43,289,035,248.42-17,821,140,446.97

Finding the Fourth Proportional to 31,368,759,893.48, 43,289,035,248.42 and 17,821,140,446.97

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Solution

The fourth proportional to 31,368,759,893.48, 43,289,035,248.42 and 17,821,140,446.97 is: 24,593,257,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368,759,893.48 : 43,289,035,248.42 = 17,821,140,446.97 : x
  2. Step 2: Convert to fraction form
    31,368,759,893.48/43,289,035,248.42 = 17,821,140,446.97/x
  3. Step 3: Cross multiply
    31,368,759,893.48x = 43,289,035,248.42 × 17,821,140,446.97
  4. Step 4: Simplify right side
    31,368,759,893.48x = 771,459,976,975,927,738,368
  5. Step 5: Solve for x
    x = 771,459,976,975,927,738,368/31,368,759,893.48
  6. Step 6: Final answer
    x = 24,593,257,100.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.