Home / 694,117,911.27-957,900,341.88-380,852,042.22

Finding the Fourth Proportional to 694,117,911.27, 957,900,341.88 and 380,852,042.22

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Solution

The fourth proportional to 694,117,911.27, 957,900,341.88 and 380,852,042.22 is: 525,585,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,117,911.27 : 957,900,341.88 = 380,852,042.22 : x
  2. Step 2: Convert to fraction form
    694,117,911.27/957,900,341.88 = 380,852,042.22/x
  3. Step 3: Cross multiply
    694,117,911.27x = 957,900,341.88 × 380,852,042.22
  4. Step 4: Simplify right side
    694,117,911.27x = 364,818,301,448,234,240
  5. Step 5: Solve for x
    x = 364,818,301,448,234,240/694,117,911.27
  6. Step 6: Final answer
    x = 525,585,488.47

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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.