Home / 420,901,273,007.55-631,351,909,511.32-106,832,396,591.55

Finding the Fourth Proportional to 420,901,273,007.55, 631,351,909,511.32 and 106,832,396,591.55

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Solution

The fourth proportional to 420,901,273,007.55, 631,351,909,511.32 and 106,832,396,591.55 is: 160,248,594,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,901,273,007.55 : 631,351,909,511.32 = 106,832,396,591.55 : x
  2. Step 2: Convert to fraction form
    420,901,273,007.55/631,351,909,511.32 = 106,832,396,591.55/x
  3. Step 3: Cross multiply
    420,901,273,007.55x = 631,351,909,511.32 × 106,832,396,591.55
  4. Step 4: Simplify right side
    420,901,273,007.55x = 67,448,837,585,745,720,901,632
  5. Step 5: Solve for x
    x = 67,448,837,585,745,720,901,632/420,901,273,007.55
  6. Step 6: Final answer
    x = 160,248,594,887.32

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1.5x scale

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.