Home / 991,972,680,019.62-1,486,750,183,129.40-514,178,565,759.78

Finding the Fourth Proportional to 991,972,680,019.62, 1,486,750,183,129.40 and 514,178,565,759.78

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Solution

The fourth proportional to 991,972,680,019.62, 1,486,750,183,129.40 and 514,178,565,759.78 is: 770,641,260,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,972,680,019.62 : 1,486,750,183,129.40 = 514,178,565,759.78 : x
  2. Step 2: Convert to fraction form
    991,972,680,019.62/1,486,750,183,129.40 = 514,178,565,759.78/x
  3. Step 3: Cross multiply
    991,972,680,019.62x = 1,486,750,183,129.40 × 514,178,565,759.78
  4. Step 4: Simplify right side
    991,972,680,019.62x = 764,455,076,804,565,164,621,824
  5. Step 5: Solve for x
    x = 764,455,076,804,565,164,621,824/991,972,680,019.62
  6. Step 6: Final answer
    x = 770,641,260,795.05

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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.