Home / 411,708,447.83-617,597,547.57-131,629,740.61

Finding the Fourth Proportional to 411,708,447.83, 617,597,547.57 and 131,629,740.61

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Solution

The fourth proportional to 411,708,447.83, 617,597,547.57 and 131,629,740.61 is: 197,455,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,708,447.83 : 617,597,547.57 = 131,629,740.61 : x
  2. Step 2: Convert to fraction form
    411,708,447.83/617,597,547.57 = 131,629,740.61/x
  3. Step 3: Cross multiply
    411,708,447.83x = 617,597,547.57 × 131,629,740.61
  4. Step 4: Simplify right side
    411,708,447.83x = 81,294,204,989,938,144
  5. Step 5: Solve for x
    x = 81,294,204,989,938,144/411,708,447.83
  6. Step 6: Final answer
    x = 197,455,761.28

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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.