Home / 20,503,014,415,583-28,294,187,912,281-11,127,812,090,216

Finding the Fourth Proportional to 20,503,014,415,583, 28,294,187,912,281 and 11,127,812,090,216

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Solution

The fourth proportional to 20,503,014,415,583, 28,294,187,912,281 and 11,127,812,090,216 is: 15,356,395,891,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,014,415,583 : 28,294,187,912,281 = 11,127,812,090,216 : x
  2. Step 2: Convert to fraction form
    20,503,014,415,583/28,294,187,912,281 = 11,127,812,090,216/x
  3. Step 3: Cross multiply
    20,503,014,415,583x = 28,294,187,912,281 × 11,127,812,090,216
  4. Step 4: Simplify right side
    20,503,014,415,583x = 314,852,406,333,123,934,682,087,424
  5. Step 5: Solve for x
    x = 314,852,406,333,123,934,682,087,424/20,503,014,415,583
  6. Step 6: Final answer
    x = 15,356,395,891,417.08

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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.