Home / 10,334,304,911.60-15,501,457,367.40-9,109,864,847.60

Finding the Fourth Proportional to 10,334,304,911.60, 15,501,457,367.40 and 9,109,864,847.60

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Solution

The fourth proportional to 10,334,304,911.60, 15,501,457,367.40 and 9,109,864,847.60 is: 13,664,797,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334,304,911.60 : 15,501,457,367.40 = 9,109,864,847.60 : x
  2. Step 2: Convert to fraction form
    10,334,304,911.60/15,501,457,367.40 = 9,109,864,847.60/x
  3. Step 3: Cross multiply
    10,334,304,911.60x = 15,501,457,367.40 × 9,109,864,847.60
  4. Step 4: Simplify right side
    10,334,304,911.60x = 141,216,181,557,847,293,952
  5. Step 5: Solve for x
    x = 141,216,181,557,847,293,952/10,334,304,911.60
  6. Step 6: Final answer
    x = 13,664,797,271.40

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Double scale
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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.