Home / 804,042,571.10-1,205,792,713.40-305,934,838.52

Finding the Fourth Proportional to 804,042,571.10, 1,205,792,713.40 and 305,934,838.52

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Solution

The fourth proportional to 804,042,571.10, 1,205,792,713.40 and 305,934,838.52 is: 458,799,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,042,571.10 : 1,205,792,713.40 = 305,934,838.52 : x
  2. Step 2: Convert to fraction form
    804,042,571.10/1,205,792,713.40 = 305,934,838.52/x
  3. Step 3: Cross multiply
    804,042,571.10x = 1,205,792,713.40 × 305,934,838.52
  4. Step 4: Simplify right side
    804,042,571.10x = 368,893,999,055,062,976
  5. Step 5: Solve for x
    x = 368,893,999,055,062,976/804,042,571.10
  6. Step 6: Final answer
    x = 458,799,088.90

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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.