Home / 655,277,081.68-904,276,998.69-357,919,513.48

Finding the Fourth Proportional to 655,277,081.68, 904,276,998.69 and 357,919,513.48

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Solution

The fourth proportional to 655,277,081.68, 904,276,998.69 and 357,919,513.48 is: 493,925,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,277,081.68 : 904,276,998.69 = 357,919,513.48 : x
  2. Step 2: Convert to fraction form
    655,277,081.68/904,276,998.69 = 357,919,513.48/x
  3. Step 3: Cross multiply
    655,277,081.68x = 904,276,998.69 × 357,919,513.48
  4. Step 4: Simplify right side
    655,277,081.68x = 323,658,383,417,758,080
  5. Step 5: Solve for x
    x = 323,658,383,417,758,080/655,277,081.68
  6. Step 6: Final answer
    x = 493,925,993.25

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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.