Home / 641,093,516.51-961,806,071.64-375,423,593.32

Finding the Fourth Proportional to 641,093,516.51, 961,806,071.64 and 375,423,593.32

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Solution

The fourth proportional to 641,093,516.51, 961,806,071.64 and 375,423,593.32 is: 563,232,480.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,093,516.51 : 961,806,071.64 = 375,423,593.32 : x
  2. Step 2: Convert to fraction form
    641,093,516.51/961,806,071.64 = 375,423,593.32/x
  3. Step 3: Cross multiply
    641,093,516.51x = 961,806,071.64 × 375,423,593.32
  4. Step 4: Simplify right side
    641,093,516.51x = 361,084,691,487,273,088
  5. Step 5: Solve for x
    x = 361,084,691,487,273,088/641,093,516.51
  6. Step 6: Final answer
    x = 563,232,480.42

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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.