Home / 21,561,705,420.97-29,754,605,307.69-12,046,328,634.67

Finding the Fourth Proportional to 21,561,705,420.97, 29,754,605,307.69 and 12,046,328,634.67

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Solution

The fourth proportional to 21,561,705,420.97, 29,754,605,307.69 and 12,046,328,634.67 is: 16,623,627,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,705,420.97 : 29,754,605,307.69 = 12,046,328,634.67 : x
  2. Step 2: Convert to fraction form
    21,561,705,420.97/29,754,605,307.69 = 12,046,328,634.67/x
  3. Step 3: Cross multiply
    21,561,705,420.97x = 29,754,605,307.69 × 12,046,328,634.67
  4. Step 4: Simplify right side
    21,561,705,420.97x = 358,433,753,931,264,163,840
  5. Step 5: Solve for x
    x = 358,433,753,931,264,163,840/21,561,705,420.97
  6. Step 6: Final answer
    x = 16,623,627,256.44

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1.5x scale

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.