Home / 1,433,172,899,068-1,977,778,525,066.30-773,978,911,978.61

Finding the Fourth Proportional to 1,433,172,899,068, 1,977,778,525,066.30 and 773,978,911,978.61

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Solution

The fourth proportional to 1,433,172,899,068, 1,977,778,525,066.30 and 773,978,911,978.61 is: 1,068,090,857,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,172,899,068 : 1,977,778,525,066.30 = 773,978,911,978.61 : x
  2. Step 2: Convert to fraction form
    1,433,172,899,068/1,977,778,525,066.30 = 773,978,911,978.61/x
  3. Step 3: Cross multiply
    1,433,172,899,068x = 1,977,778,525,066.30 × 773,978,911,978.61
  4. Step 4: Simplify right side
    1,433,172,899,068x = 1,530,758,870,965,475,010,936,832
  5. Step 5: Solve for x
    x = 1,530,758,870,965,475,010,936,832/1,433,172,899,068
  6. Step 6: Final answer
    x = 1,068,090,857,677.35

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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.