Home / 1,720,103,735.56-2,373,944,677.54-977,659,400.92

Finding the Fourth Proportional to 1,720,103,735.56, 2,373,944,677.54 and 977,659,400.92

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Solution

The fourth proportional to 1,720,103,735.56, 2,373,944,677.54 and 977,659,400.92 is: 1,349,284,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,103,735.56 : 2,373,944,677.54 = 977,659,400.92 : x
  2. Step 2: Convert to fraction form
    1,720,103,735.56/2,373,944,677.54 = 977,659,400.92/x
  3. Step 3: Cross multiply
    1,720,103,735.56x = 2,373,944,677.54 × 977,659,400.92
  4. Step 4: Simplify right side
    1,720,103,735.56x = 2,320,909,331,260,978,688
  5. Step 5: Solve for x
    x = 2,320,909,331,260,978,688/1,720,103,735.56
  6. Step 6: Final answer
    x = 1,349,284,513.07

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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.