Home / 358,334,160,004.80-537,501,240,007.20-279,389,520,619.20

Finding the Fourth Proportional to 358,334,160,004.80, 537,501,240,007.20 and 279,389,520,619.20

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Solution

The fourth proportional to 358,334,160,004.80, 537,501,240,007.20 and 279,389,520,619.20 is: 419,084,280,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,334,160,004.80 : 537,501,240,007.20 = 279,389,520,619.20 : x
  2. Step 2: Convert to fraction form
    358,334,160,004.80/537,501,240,007.20 = 279,389,520,619.20/x
  3. Step 3: Cross multiply
    358,334,160,004.80x = 537,501,240,007.20 × 279,389,520,619.20
  4. Step 4: Simplify right side
    358,334,160,004.80x = 150,172,213,777,837,181,632,512
  5. Step 5: Solve for x
    x = 150,172,213,777,837,181,632,512/358,334,160,004.80
  6. Step 6: Final answer
    x = 419,084,280,928.80

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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.