Home / 18,433,166,837-25,429,663,981.86-10,808,320,807.40

Finding the Fourth Proportional to 18,433,166,837, 25,429,663,981.86 and 10,808,320,807.40

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Solution

The fourth proportional to 18,433,166,837, 25,429,663,981.86 and 10,808,320,807.40 is: 14,910,729,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433,166,837 : 25,429,663,981.86 = 10,808,320,807.40 : x
  2. Step 2: Convert to fraction form
    18,433,166,837/25,429,663,981.86 = 10,808,320,807.40/x
  3. Step 3: Cross multiply
    18,433,166,837x = 25,429,663,981.86 × 10,808,320,807.40
  4. Step 4: Simplify right side
    18,433,166,837x = 274,851,966,340,327,768,064
  5. Step 5: Solve for x
    x = 274,851,966,340,327,768,064/18,433,166,837
  6. Step 6: Final answer
    x = 14,910,729,597.95

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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.