Home / 1,720,103,736.06-2,373,944,678.23-977,659,401.42

Finding the Fourth Proportional to 1,720,103,736.06, 2,373,944,678.23 and 977,659,401.42

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Solution

The fourth proportional to 1,720,103,736.06, 2,373,944,678.23 and 977,659,401.42 is: 1,349,284,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,103,736.06 : 2,373,944,678.23 = 977,659,401.42 : x
  2. Step 2: Convert to fraction form
    1,720,103,736.06/2,373,944,678.23 = 977,659,401.42/x
  3. Step 3: Cross multiply
    1,720,103,736.06x = 2,373,944,678.23 × 977,659,401.42
  4. Step 4: Simplify right side
    1,720,103,736.06x = 2,320,909,333,122,536,448
  5. Step 5: Solve for x
    x = 2,320,909,333,122,536,448/1,720,103,736.06
  6. Step 6: Final answer
    x = 1,349,284,513.76

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Double scale
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1.5x scale

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.