Home / 701,786,984,550.45-968,465,304,173.35-393,140,516,184.20

Finding the Fourth Proportional to 701,786,984,550.45, 968,465,304,173.35 and 393,140,516,184.20

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Solution

The fourth proportional to 701,786,984,550.45, 968,465,304,173.35 and 393,140,516,184.20 is: 542,533,500,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,786,984,550.45 : 968,465,304,173.35 = 393,140,516,184.20 : x
  2. Step 2: Convert to fraction form
    701,786,984,550.45/968,465,304,173.35 = 393,140,516,184.20/x
  3. Step 3: Cross multiply
    701,786,984,550.45x = 968,465,304,173.35 × 393,140,516,184.20
  4. Step 4: Simplify right side
    701,786,984,550.45x = 380,742,949,589,199,095,857,152
  5. Step 5: Solve for x
    x = 380,742,949,589,199,095,857,152/701,786,984,550.45
  6. Step 6: Final answer
    x = 542,533,500,864.36

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Double scale
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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.