Home / 1,433,172,899,064.30-1,977,778,525,060.30-773,978,911,974.21

Finding the Fourth Proportional to 1,433,172,899,064.30, 1,977,778,525,060.30 and 773,978,911,974.21

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Solution

The fourth proportional to 1,433,172,899,064.30, 1,977,778,525,060.30 and 773,978,911,974.21 is: 1,068,090,857,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,172,899,064.30 : 1,977,778,525,060.30 = 773,978,911,974.21 : x
  2. Step 2: Convert to fraction form
    1,433,172,899,064.30/1,977,778,525,060.30 = 773,978,911,974.21/x
  3. Step 3: Cross multiply
    1,433,172,899,064.30x = 1,977,778,525,060.30 × 773,978,911,974.21
  4. Step 4: Simplify right side
    1,433,172,899,064.30x = 1,530,758,870,952,128,668,499,968
  5. Step 5: Solve for x
    x = 1,530,758,870,952,128,668,499,968/1,433,172,899,064.30
  6. Step 6: Final answer
    x = 1,068,090,857,670.80

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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.