Home / 991,972,680,027.12-1,486,750,183,140.60-514,178,565,767.28

Finding the Fourth Proportional to 991,972,680,027.12, 1,486,750,183,140.60 and 514,178,565,767.28

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Solution

The fourth proportional to 991,972,680,027.12, 1,486,750,183,140.60 and 514,178,565,767.28 is: 770,641,260,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,972,680,027.12 : 1,486,750,183,140.60 = 514,178,565,767.28 : x
  2. Step 2: Convert to fraction form
    991,972,680,027.12/1,486,750,183,140.60 = 514,178,565,767.28/x
  3. Step 3: Cross multiply
    991,972,680,027.12x = 1,486,750,183,140.60 × 514,178,565,767.28
  4. Step 4: Simplify right side
    991,972,680,027.12x = 764,455,076,821,474,719,301,632
  5. Step 5: Solve for x
    x = 764,455,076,821,474,719,301,632/991,972,680,027.12
  6. Step 6: Final answer
    x = 770,641,260,806.27

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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.