Home / 18,433,166,839-25,429,663,984.62-10,808,320,809.40

Finding the Fourth Proportional to 18,433,166,839, 25,429,663,984.62 and 10,808,320,809.40

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Solution

The fourth proportional to 18,433,166,839, 25,429,663,984.62 and 10,808,320,809.40 is: 14,910,729,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433,166,839 : 25,429,663,984.62 = 10,808,320,809.40 : x
  2. Step 2: Convert to fraction form
    18,433,166,839/25,429,663,984.62 = 10,808,320,809.40/x
  3. Step 3: Cross multiply
    18,433,166,839x = 25,429,663,984.62 × 10,808,320,809.40
  4. Step 4: Simplify right side
    18,433,166,839x = 274,851,966,421,018,050,560
  5. Step 5: Solve for x
    x = 274,851,966,421,018,050,560/18,433,166,839
  6. Step 6: Final answer
    x = 14,910,729,600.71

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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.