Home / 628,052,639.07-942,219,458.31-191,387,498.41

Finding the Fourth Proportional to 628,052,639.07, 942,219,458.31 and 191,387,498.41

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Solution

The fourth proportional to 628,052,639.07, 942,219,458.31 and 191,387,498.41 is: 287,124,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,052,639.07 : 942,219,458.31 = 191,387,498.41 : x
  2. Step 2: Convert to fraction form
    628,052,639.07/942,219,458.31 = 191,387,498.41/x
  3. Step 3: Cross multiply
    628,052,639.07x = 942,219,458.31 × 191,387,498.41
  4. Step 4: Simplify right side
    628,052,639.07x = 180,329,025,076,820,640
  5. Step 5: Solve for x
    x = 180,329,025,076,820,640/628,052,639.07
  6. Step 6: Final answer
    x = 287,124,062.31

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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.