Home / 706,857,238.79-1,059,931,121.32-411,847,696.68

Finding the Fourth Proportional to 706,857,238.79, 1,059,931,121.32 and 411,847,696.68

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Solution

The fourth proportional to 706,857,238.79, 1,059,931,121.32 and 411,847,696.68 is: 617,564,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,857,238.79 : 1,059,931,121.32 = 411,847,696.68 : x
  2. Step 2: Convert to fraction form
    706,857,238.79/1,059,931,121.32 = 411,847,696.68/x
  3. Step 3: Cross multiply
    706,857,238.79x = 1,059,931,121.32 × 411,847,696.68
  4. Step 4: Simplify right side
    706,857,238.79x = 436,530,190,955,091,648
  5. Step 5: Solve for x
    x = 436,530,190,955,091,648/706,857,238.79
  6. Step 6: Final answer
    x = 617,564,858.93

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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.