Home / 1,433,172,899,110-1,977,778,525,124.40-773,978,912,020.40

Finding the Fourth Proportional to 1,433,172,899,110, 1,977,778,525,124.40 and 773,978,912,020.40

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Solution

The fourth proportional to 1,433,172,899,110, 1,977,778,525,124.40 and 773,978,912,020.40 is: 1,068,090,857,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,172,899,110 : 1,977,778,525,124.40 = 773,978,912,020.40 : x
  2. Step 2: Convert to fraction form
    1,433,172,899,110/1,977,778,525,124.40 = 773,978,912,020.40/x
  3. Step 3: Cross multiply
    1,433,172,899,110x = 1,977,778,525,124.40 × 773,978,912,020.40
  4. Step 4: Simplify right side
    1,433,172,899,110x = 1,530,758,871,093,094,326,992,896
  5. Step 5: Solve for x
    x = 1,530,758,871,093,094,326,992,896/1,433,172,899,110
  6. Step 6: Final answer
    x = 1,068,090,857,735.10

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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.