Home / 20,830,301,318.16-28,745,793,973.08-11,314,860,623.28

Finding the Fourth Proportional to 20,830,301,318.16, 28,745,793,973.08 and 11,314,860,623.28

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Solution

The fourth proportional to 20,830,301,318.16, 28,745,793,973.08 and 11,314,860,623.28 is: 15,614,495,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,301,318.16 : 28,745,793,973.08 = 11,314,860,623.28 : x
  2. Step 2: Convert to fraction form
    20,830,301,318.16/28,745,793,973.08 = 11,314,860,623.28/x
  3. Step 3: Cross multiply
    20,830,301,318.16x = 28,745,793,973.08 × 11,314,860,623.28
  4. Step 4: Simplify right side
    20,830,301,318.16x = 325,254,652,310,922,461,184
  5. Step 5: Solve for x
    x = 325,254,652,310,922,461,184/20,830,301,318.16
  6. Step 6: Final answer
    x = 15,614,495,793.56

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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.