Home / 2,141,851,898-3,214,136,936.28-915,029,578.64

Finding the Fourth Proportional to 2,141,851,898, 3,214,136,936.28 and 915,029,578.64

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Solution

The fourth proportional to 2,141,851,898, 3,214,136,936.28 and 915,029,578.64 is: 1,373,124,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,851,898 : 3,214,136,936.28 = 915,029,578.64 : x
  2. Step 2: Convert to fraction form
    2,141,851,898/3,214,136,936.28 = 915,029,578.64/x
  3. Step 3: Cross multiply
    2,141,851,898x = 3,214,136,936.28 × 915,029,578.64
  4. Step 4: Simplify right side
    2,141,851,898x = 2,941,030,366,495,548,928
  5. Step 5: Solve for x
    x = 2,941,030,366,495,548,928/2,141,851,898
  6. Step 6: Final answer
    x = 1,373,124,990.22

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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.