Home / 15,772,397,743,407-21,765,892,378,154-8,835,684,797,301

Finding the Fourth Proportional to 15,772,397,743,407, 21,765,892,378,154 and 8,835,684,797,301

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Solution

The fourth proportional to 15,772,397,743,407, 21,765,892,378,154 and 8,835,684,797,301 is: 12,193,235,772,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772,397,743,407 : 21,765,892,378,154 = 8,835,684,797,301 : x
  2. Step 2: Convert to fraction form
    15,772,397,743,407/21,765,892,378,154 = 8,835,684,797,301/x
  3. Step 3: Cross multiply
    15,772,397,743,407x = 21,765,892,378,154 × 8,835,684,797,301
  4. Step 4: Simplify right side
    15,772,397,743,407x = 192,316,564,385,344,996,933,369,856
  5. Step 5: Solve for x
    x = 192,316,564,385,344,996,933,369,856/15,772,397,743,407
  6. Step 6: Final answer
    x = 12,193,235,772,648.14

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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.