Home / 10,628,831,752.40-15,943,247,628.60-3,639,319,720.40

Finding the Fourth Proportional to 10,628,831,752.40, 15,943,247,628.60 and 3,639,319,720.40

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Solution

The fourth proportional to 10,628,831,752.40, 15,943,247,628.60 and 3,639,319,720.40 is: 5,458,979,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628,831,752.40 : 15,943,247,628.60 = 3,639,319,720.40 : x
  2. Step 2: Convert to fraction form
    10,628,831,752.40/15,943,247,628.60 = 3,639,319,720.40/x
  3. Step 3: Cross multiply
    10,628,831,752.40x = 15,943,247,628.60 × 3,639,319,720.40
  4. Step 4: Simplify right side
    10,628,831,752.40x = 58,022,575,501,984,514,048
  5. Step 5: Solve for x
    x = 58,022,575,501,984,514,048/10,628,831,752.40
  6. Step 6: Final answer
    x = 5,458,979,580.60

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Double scale
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Similar ratio
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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.