Home / 20,149,574,212.90-27,815,329,895.61-13,016,466,812.98

Finding the Fourth Proportional to 20,149,574,212.90, 27,815,329,895.61 and 13,016,466,812.98

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Solution

The fourth proportional to 20,149,574,212.90, 27,815,329,895.61 and 13,016,466,812.98 is: 17,968,484,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,574,212.90 : 27,815,329,895.61 = 13,016,466,812.98 : x
  2. Step 2: Convert to fraction form
    20,149,574,212.90/27,815,329,895.61 = 13,016,466,812.98/x
  3. Step 3: Cross multiply
    20,149,574,212.90x = 27,815,329,895.61 × 13,016,466,812.98
  4. Step 4: Simplify right side
    20,149,574,212.90x = 362,057,318,478,298,021,888
  5. Step 5: Solve for x
    x = 362,057,318,478,298,021,888/20,149,574,212.90
  6. Step 6: Final answer
    x = 17,968,484,825.18

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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.