Home / 28,741,509,334.64-39,648,426,342-18,186,835,982.96

Finding the Fourth Proportional to 28,741,509,334.64, 39,648,426,342 and 18,186,835,982.96

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Solution

The fourth proportional to 28,741,509,334.64, 39,648,426,342 and 18,186,835,982.96 is: 25,088,432,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741,509,334.64 : 39,648,426,342 = 18,186,835,982.96 : x
  2. Step 2: Convert to fraction form
    28,741,509,334.64/39,648,426,342 = 18,186,835,982.96/x
  3. Step 3: Cross multiply
    28,741,509,334.64x = 39,648,426,342 × 18,186,835,982.96
  4. Step 4: Simplify right side
    28,741,509,334.64x = 721,079,426,864,424,681,472
  5. Step 5: Solve for x
    x = 721,079,426,864,424,681,472/28,741,509,334.64
  6. Step 6: Final answer
    x = 25,088,432,847.03

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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.