Home / 739,642,066.93-1,020,214,571.79-475,657,804.36

Finding the Fourth Proportional to 739,642,066.93, 1,020,214,571.79 and 475,657,804.36

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Solution

The fourth proportional to 739,642,066.93, 1,020,214,571.79 and 475,657,804.36 is: 656,091,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,642,066.93 : 1,020,214,571.79 = 475,657,804.36 : x
  2. Step 2: Convert to fraction form
    739,642,066.93/1,020,214,571.79 = 475,657,804.36/x
  3. Step 3: Cross multiply
    739,642,066.93x = 1,020,214,571.79 × 475,657,804.36
  4. Step 4: Simplify right side
    739,642,066.93x = 485,273,023,193,708,992
  5. Step 5: Solve for x
    x = 485,273,023,193,708,992/739,642,066.93
  6. Step 6: Final answer
    x = 656,091,702.85

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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.