Home / 981,211,766,539.25-1,470,579,592,307.60-497,287,578,031.70

Finding the Fourth Proportional to 981,211,766,539.25, 1,470,579,592,307.60 and 497,287,578,031.70

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Solution

The fourth proportional to 981,211,766,539.25, 1,470,579,592,307.60 and 497,287,578,031.70 is: 745,303,907,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,211,766,539.25 : 1,470,579,592,307.60 = 497,287,578,031.70 : x
  2. Step 2: Convert to fraction form
    981,211,766,539.25/1,470,579,592,307.60 = 497,287,578,031.70/x
  3. Step 3: Cross multiply
    981,211,766,539.25x = 1,470,579,592,307.60 × 497,287,578,031.70
  4. Step 4: Simplify right side
    981,211,766,539.25x = 731,300,963,761,491,212,763,136
  5. Step 5: Solve for x
    x = 731,300,963,761,491,212,763,136/981,211,766,539.25
  6. Step 6: Final answer
    x = 745,303,907,576.24

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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.