Home / 39,157,035,326,126-54,036,876,745,712-21,359,187,245,646

Finding the Fourth Proportional to 39,157,035,326,126, 54,036,876,745,712 and 21,359,187,245,646

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Solution

The fourth proportional to 39,157,035,326,126, 54,036,876,745,712 and 21,359,187,245,646 is: 29,475,770,036,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157,035,326,126 : 54,036,876,745,712 = 21,359,187,245,646 : x
  2. Step 2: Convert to fraction form
    39,157,035,326,126/54,036,876,745,712 = 21,359,187,245,646/x
  3. Step 3: Cross multiply
    39,157,035,326,126x = 54,036,876,745,712 × 21,359,187,245,646
  4. Step 4: Simplify right side
    39,157,035,326,126x = 1,154,183,768,581,556,747,871,715,328
  5. Step 5: Solve for x
    x = 1,154,183,768,581,556,747,871,715,328/39,157,035,326,126
  6. Step 6: Final answer
    x = 29,475,770,036,437.69

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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.