Home / 20,503,931,772,418-28,295,446,787,098-11,128,731,235,658

Finding the Fourth Proportional to 20,503,931,772,418, 28,295,446,787,098 and 11,128,731,235,658

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Solution

The fourth proportional to 20,503,931,772,418, 28,295,446,787,098 and 11,128,731,235,658 is: 15,357,660,471,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,931,772,418 : 28,295,446,787,098 = 11,128,731,235,658 : x
  2. Step 2: Convert to fraction form
    20,503,931,772,418/28,295,446,787,098 = 11,128,731,235,658/x
  3. Step 3: Cross multiply
    20,503,931,772,418x = 28,295,446,787,098 × 11,128,731,235,658
  4. Step 4: Simplify right side
    20,503,931,772,418x = 314,892,422,486,476,303,565,324,288
  5. Step 5: Solve for x
    x = 314,892,422,486,476,303,565,324,288/20,503,931,772,418
  6. Step 6: Final answer
    x = 15,357,660,471,250.27

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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.