Home / 1,180,210,272.96-1,770,291,103.14-393,321,059.70

Finding the Fourth Proportional to 1,180,210,272.96, 1,770,291,103.14 and 393,321,059.70

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Solution

The fourth proportional to 1,180,210,272.96, 1,770,291,103.14 and 393,321,059.70 is: 589,973,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,210,272.96 : 1,770,291,103.14 = 393,321,059.70 : x
  2. Step 2: Convert to fraction form
    1,180,210,272.96/1,770,291,103.14 = 393,321,059.70/x
  3. Step 3: Cross multiply
    1,180,210,272.96x = 1,770,291,103.14 × 393,321,059.70
  4. Step 4: Simplify right side
    1,180,210,272.96x = 696,292,772,664,506,880
  5. Step 5: Solve for x
    x = 696,292,772,664,506,880/1,180,210,272.96
  6. Step 6: Final answer
    x = 589,973,489.15

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Double scale
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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.