Home / 20,830,301,322.66-28,745,793,979.29-11,314,860,627.78

Finding the Fourth Proportional to 20,830,301,322.66, 28,745,793,979.29 and 11,314,860,627.78

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Solution

The fourth proportional to 20,830,301,322.66, 28,745,793,979.29 and 11,314,860,627.78 is: 15,614,495,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,301,322.66 : 28,745,793,979.29 = 11,314,860,627.78 : x
  2. Step 2: Convert to fraction form
    20,830,301,322.66/28,745,793,979.29 = 11,314,860,627.78/x
  3. Step 3: Cross multiply
    20,830,301,322.66x = 28,745,793,979.29 × 11,314,860,627.78
  4. Step 4: Simplify right side
    20,830,301,322.66x = 325,254,652,510,543,806,464
  5. Step 5: Solve for x
    x = 325,254,652,510,543,806,464/20,830,301,322.66
  6. Step 6: Final answer
    x = 15,614,495,799.77

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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.