Home / 5,107,424,812.72-7,661,365,541.88-1,565,911,436.56

Finding the Fourth Proportional to 5,107,424,812.72, 7,661,365,541.88 and 1,565,911,436.56

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Solution

The fourth proportional to 5,107,424,812.72, 7,661,365,541.88 and 1,565,911,436.56 is: 2,348,937,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,424,812.72 : 7,661,365,541.88 = 1,565,911,436.56 : x
  2. Step 2: Convert to fraction form
    5,107,424,812.72/7,661,365,541.88 = 1,565,911,436.56/x
  3. Step 3: Cross multiply
    5,107,424,812.72x = 7,661,365,541.88 × 1,565,911,436.56
  4. Step 4: Simplify right side
    5,107,424,812.72x = 11,997,019,921,696,593,920
  5. Step 5: Solve for x
    x = 11,997,019,921,696,593,920/5,107,424,812.72
  6. Step 6: Final answer
    x = 2,348,937,157.49

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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.