Home / 874,743,477.78-1,313,048,935.92-376,999,634.34

Finding the Fourth Proportional to 874,743,477.78, 1,313,048,935.92 and 376,999,634.34

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Solution

The fourth proportional to 874,743,477.78, 1,313,048,935.92 and 376,999,634.34 is: 565,901,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,743,477.78 : 1,313,048,935.92 = 376,999,634.34 : x
  2. Step 2: Convert to fraction form
    874,743,477.78/1,313,048,935.92 = 376,999,634.34/x
  3. Step 3: Cross multiply
    874,743,477.78x = 1,313,048,935.92 × 376,999,634.34
  4. Step 4: Simplify right side
    874,743,477.78x = 495,018,968,712,366,080
  5. Step 5: Solve for x
    x = 495,018,968,712,366,080/874,743,477.78
  6. Step 6: Final answer
    x = 565,901,868.70

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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.