Home / 20,503,931,771,712-28,295,446,786,131-11,128,731,234,950

Finding the Fourth Proportional to 20,503,931,771,712, 28,295,446,786,131 and 11,128,731,234,950

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Solution

The fourth proportional to 20,503,931,771,712, 28,295,446,786,131 and 11,128,731,234,950 is: 15,357,660,470,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,931,771,712 : 28,295,446,786,131 = 11,128,731,234,950 : x
  2. Step 2: Convert to fraction form
    20,503,931,771,712/28,295,446,786,131 = 11,128,731,234,950/x
  3. Step 3: Cross multiply
    20,503,931,771,712x = 28,295,446,786,131 × 11,128,731,234,950
  4. Step 4: Simplify right side
    20,503,931,771,712x = 314,892,422,455,681,662,930,911,232
  5. Step 5: Solve for x
    x = 314,892,422,455,681,662,930,911,232/20,503,931,771,712
  6. Step 6: Final answer
    x = 15,357,660,470,277.18

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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.