Home / 1,488,720,683,915.70-2,233,730,558,498.40-521,323,456,576.75

Finding the Fourth Proportional to 1,488,720,683,915.70, 2,233,730,558,498.40 and 521,323,456,576.75

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Solution

The fourth proportional to 1,488,720,683,915.70, 2,233,730,558,498.40 and 521,323,456,576.75 is: 782,212,639,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,720,683,915.70 : 2,233,730,558,498.40 = 521,323,456,576.75 : x
  2. Step 2: Convert to fraction form
    1,488,720,683,915.70/2,233,730,558,498.40 = 521,323,456,576.75/x
  3. Step 3: Cross multiply
    1,488,720,683,915.70x = 2,233,730,558,498.40 × 521,323,456,576.75
  4. Step 4: Simplify right side
    1,488,720,683,915.70x = 1,164,496,135,817,500,083,355,648
  5. Step 5: Solve for x
    x = 1,164,496,135,817,500,083,355,648/1,488,720,683,915.70
  6. Step 6: Final answer
    x = 782,212,639,616.58

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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.