Home / 7,081,575,913.44-9,772,588,522.08-3,909,765,964.32

Finding the Fourth Proportional to 7,081,575,913.44, 9,772,588,522.08 and 3,909,765,964.32

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Solution

The fourth proportional to 7,081,575,913.44, 9,772,588,522.08 and 3,909,765,964.32 is: 5,395,484,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081,575,913.44 : 9,772,588,522.08 = 3,909,765,964.32 : x
  2. Step 2: Convert to fraction form
    7,081,575,913.44/9,772,588,522.08 = 3,909,765,964.32/x
  3. Step 3: Cross multiply
    7,081,575,913.44x = 9,772,588,522.08 × 3,909,765,964.32
  4. Step 4: Simplify right side
    7,081,575,913.44x = 38,208,533,986,932,678,656
  5. Step 5: Solve for x
    x = 38,208,533,986,932,678,656/7,081,575,913.44
  6. Step 6: Final answer
    x = 5,395,484,628.56

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1.5x scale

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.