Home / 1,433,172,899,073.70-1,977,778,525,073.60-773,978,911,983.62

Finding the Fourth Proportional to 1,433,172,899,073.70, 1,977,778,525,073.60 and 773,978,911,983.62

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Solution

The fourth proportional to 1,433,172,899,073.70, 1,977,778,525,073.60 and 773,978,911,983.62 is: 1,068,090,857,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,172,899,073.70 : 1,977,778,525,073.60 = 773,978,911,983.62 : x
  2. Step 2: Convert to fraction form
    1,433,172,899,073.70/1,977,778,525,073.60 = 773,978,911,983.62/x
  3. Step 3: Cross multiply
    1,433,172,899,073.70x = 1,977,778,525,073.60 × 773,978,911,983.62
  4. Step 4: Simplify right side
    1,433,172,899,073.70x = 1,530,758,870,981,033,798,402,048
  5. Step 5: Solve for x
    x = 1,530,758,870,981,033,798,402,048/1,433,172,899,073.70
  6. Step 6: Final answer
    x = 1,068,090,857,683.96

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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.