Home / 10,334,307,877.60-15,501,461,816.40-9,109,867,813.60

Finding the Fourth Proportional to 10,334,307,877.60, 15,501,461,816.40 and 9,109,867,813.60

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Solution

The fourth proportional to 10,334,307,877.60, 15,501,461,816.40 and 9,109,867,813.60 is: 13,664,801,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334,307,877.60 : 15,501,461,816.40 = 9,109,867,813.60 : x
  2. Step 2: Convert to fraction form
    10,334,307,877.60/15,501,461,816.40 = 9,109,867,813.60/x
  3. Step 3: Cross multiply
    10,334,307,877.60x = 15,501,461,816.40 × 9,109,867,813.60
  4. Step 4: Simplify right side
    10,334,307,877.60x = 141,216,268,064,971,751,424
  5. Step 5: Solve for x
    x = 141,216,268,064,971,751,424/10,334,307,877.60
  6. Step 6: Final answer
    x = 13,664,801,720.40

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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.