Home / 7,145,032,611.86-10,718,769,931.56-2,945,689,853

Finding the Fourth Proportional to 7,145,032,611.86, 10,718,769,931.56 and 2,945,689,853

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Solution

The fourth proportional to 7,145,032,611.86, 10,718,769,931.56 and 2,945,689,853 is: 4,419,038,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,032,611.86 : 10,718,769,931.56 = 2,945,689,853 : x
  2. Step 2: Convert to fraction form
    7,145,032,611.86/10,718,769,931.56 = 2,945,689,853/x
  3. Step 3: Cross multiply
    7,145,032,611.86x = 10,718,769,931.56 × 2,945,689,853
  4. Step 4: Simplify right side
    7,145,032,611.86x = 31,574,171,824,037,793,792
  5. Step 5: Solve for x
    x = 31,574,171,824,037,793,792/7,145,032,611.86
  6. Step 6: Final answer
    x = 4,419,038,168.09

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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.