Home / 13,941,671,067.29-19,239,571,226.34-7,920,506,868.81

Finding the Fourth Proportional to 13,941,671,067.29, 19,239,571,226.34 and 7,920,506,868.81

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Solution

The fourth proportional to 13,941,671,067.29, 19,239,571,226.34 and 7,920,506,868.81 is: 10,930,336,493.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,671,067.29 : 19,239,571,226.34 = 7,920,506,868.81 : x
  2. Step 2: Convert to fraction form
    13,941,671,067.29/19,239,571,226.34 = 7,920,506,868.81/x
  3. Step 3: Cross multiply
    13,941,671,067.29x = 19,239,571,226.34 × 7,920,506,868.81
  4. Step 4: Simplify right side
    13,941,671,067.29x = 152,387,156,051,185,205,248
  5. Step 5: Solve for x
    x = 152,387,156,051,185,205,248/13,941,671,067.29
  6. Step 6: Final answer
    x = 10,930,336,493.79

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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.