Home / 21,767,869,353,438-30,040,572,319,110-12,518,860,875,310

Finding the Fourth Proportional to 21,767,869,353,438, 30,040,572,319,110 and 12,518,860,875,310

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Solution

The fourth proportional to 21,767,869,353,438, 30,040,572,319,110 and 12,518,860,875,310 is: 17,276,552,857,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767,869,353,438 : 30,040,572,319,110 = 12,518,860,875,310 : x
  2. Step 2: Convert to fraction form
    21,767,869,353,438/30,040,572,319,110 = 12,518,860,875,310/x
  3. Step 3: Cross multiply
    21,767,869,353,438x = 30,040,572,319,110 × 12,518,860,875,310
  4. Step 4: Simplify right side
    21,767,869,353,438x = 376,073,745,477,626,738,346,295,296
  5. Step 5: Solve for x
    x = 376,073,745,477,626,738,346,295,296/21,767,869,353,438
  6. Step 6: Final answer
    x = 17,276,552,857,398.97

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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.