Home / 20,503,931,771,710-28,295,446,786,129-11,128,731,234,948

Finding the Fourth Proportional to 20,503,931,771,710, 28,295,446,786,129 and 11,128,731,234,948

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Solution

The fourth proportional to 20,503,931,771,710, 28,295,446,786,129 and 11,128,731,234,948 is: 15,357,660,470,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,931,771,710 : 28,295,446,786,129 = 11,128,731,234,948 : x
  2. Step 2: Convert to fraction form
    20,503,931,771,710/28,295,446,786,129 = 11,128,731,234,948/x
  3. Step 3: Cross multiply
    20,503,931,771,710x = 28,295,446,786,129 × 11,128,731,234,948
  4. Step 4: Simplify right side
    20,503,931,771,710x = 314,892,422,455,602,772,971,618,304
  5. Step 5: Solve for x
    x = 314,892,422,455,602,772,971,618,304/20,503,931,771,710
  6. Step 6: Final answer
    x = 15,357,660,470,274.83

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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.