Home / 7,176,619,889.16-9,903,737,239.02-3,961,531,678.92

Finding the Fourth Proportional to 7,176,619,889.16, 9,903,737,239.02 and 3,961,531,678.92

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Solution

The fourth proportional to 7,176,619,889.16, 9,903,737,239.02 and 3,961,531,678.92 is: 5,466,914,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,619,889.16 : 9,903,737,239.02 = 3,961,531,678.92 : x
  2. Step 2: Convert to fraction form
    7,176,619,889.16/9,903,737,239.02 = 3,961,531,678.92/x
  3. Step 3: Cross multiply
    7,176,619,889.16x = 9,903,737,239.02 × 3,961,531,678.92
  4. Step 4: Simplify right side
    7,176,619,889.16x = 39,233,968,812,077,424,640
  5. Step 5: Solve for x
    x = 39,233,968,812,077,424,640/7,176,619,889.16
  6. Step 6: Final answer
    x = 5,466,914,706.09

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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.