Home / 18,913,168,695.88-28,376,918,178.83-11,355,231,407.95

Finding the Fourth Proportional to 18,913,168,695.88, 28,376,918,178.83 and 11,355,231,407.95

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Solution

The fourth proportional to 18,913,168,695.88, 28,376,918,178.83 and 11,355,231,407.95 is: 17,037,148,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913,168,695.88 : 28,376,918,178.83 = 11,355,231,407.95 : x
  2. Step 2: Convert to fraction form
    18,913,168,695.88/28,376,918,178.83 = 11,355,231,407.95/x
  3. Step 3: Cross multiply
    18,913,168,695.88x = 28,376,918,178.83 × 11,355,231,407.95
  4. Step 4: Simplify right side
    18,913,168,695.88x = 322,226,472,565,055,029,248
  5. Step 5: Solve for x
    x = 322,226,472,565,055,029,248/18,913,168,695.88
  6. Step 6: Final answer
    x = 17,037,148,969.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.