Home / 31,368,759,732.41-43,289,035,025.76-17,821,140,285.75

Finding the Fourth Proportional to 31,368,759,732.41, 43,289,035,025.76 and 17,821,140,285.75

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Solution

The fourth proportional to 31,368,759,732.41, 43,289,035,025.76 and 17,821,140,285.75 is: 24,593,256,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368,759,732.41 : 43,289,035,025.76 = 17,821,140,285.75 : x
  2. Step 2: Convert to fraction form
    31,368,759,732.41/43,289,035,025.76 = 17,821,140,285.75/x
  3. Step 3: Cross multiply
    31,368,759,732.41x = 43,289,035,025.76 × 17,821,140,285.75
  4. Step 4: Simplify right side
    31,368,759,732.41x = 771,459,966,028,928,909,312
  5. Step 5: Solve for x
    x = 771,459,966,028,928,909,312/31,368,759,732.41
  6. Step 6: Final answer
    x = 24,593,256,877.54

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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.