Home / 20,830,301,318.66-28,745,793,973.77-11,314,860,623.78

Finding the Fourth Proportional to 20,830,301,318.66, 28,745,793,973.77 and 11,314,860,623.78

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Solution

The fourth proportional to 20,830,301,318.66, 28,745,793,973.77 and 11,314,860,623.78 is: 15,614,495,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,301,318.66 : 28,745,793,973.77 = 11,314,860,623.78 : x
  2. Step 2: Convert to fraction form
    20,830,301,318.66/28,745,793,973.77 = 11,314,860,623.78/x
  3. Step 3: Cross multiply
    20,830,301,318.66x = 28,745,793,973.77 × 11,314,860,623.78
  4. Step 4: Simplify right side
    20,830,301,318.66x = 325,254,652,333,102,596,096
  5. Step 5: Solve for x
    x = 325,254,652,333,102,596,096/20,830,301,318.66
  6. Step 6: Final answer
    x = 15,614,495,794.25

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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.