Home / 613,835,451.77-921,408,633.71-264,254,546.93

Finding the Fourth Proportional to 613,835,451.77, 921,408,633.71 and 264,254,546.93

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Solution

The fourth proportional to 613,835,451.77, 921,408,633.71 and 264,254,546.93 is: 396,663,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,835,451.77 : 921,408,633.71 = 264,254,546.93 : x
  2. Step 2: Convert to fraction form
    613,835,451.77/921,408,633.71 = 264,254,546.93/x
  3. Step 3: Cross multiply
    613,835,451.77x = 921,408,633.71 × 264,254,546.93
  4. Step 4: Simplify right side
    613,835,451.77x = 243,486,421,037,105,120
  5. Step 5: Solve for x
    x = 243,486,421,037,105,120/613,835,451.77
  6. Step 6: Final answer
    x = 396,663,992.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.