Home / 770,883,413.22-1,063,820,460.03-418,459,643.28

Finding the Fourth Proportional to 770,883,413.22, 1,063,820,460.03 and 418,459,643.28

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Solution

The fourth proportional to 770,883,413.22, 1,063,820,460.03 and 418,459,643.28 is: 577,475,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,883,413.22 : 1,063,820,460.03 = 418,459,643.28 : x
  2. Step 2: Convert to fraction form
    770,883,413.22/1,063,820,460.03 = 418,459,643.28/x
  3. Step 3: Cross multiply
    770,883,413.22x = 1,063,820,460.03 × 418,459,643.28
  4. Step 4: Simplify right side
    770,883,413.22x = 445,165,930,218,119,232
  5. Step 5: Solve for x
    x = 445,165,930,218,119,232/770,883,413.22
  6. Step 6: Final answer
    x = 577,475,040.43

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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.