Home / 47,029,248,045.30-70,543,872,067.95-20,856,841,677.30

Finding the Fourth Proportional to 47,029,248,045.30, 70,543,872,067.95 and 20,856,841,677.30

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Solution

The fourth proportional to 47,029,248,045.30, 70,543,872,067.95 and 20,856,841,677.30 is: 31,285,262,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029,248,045.30 : 70,543,872,067.95 = 20,856,841,677.30 : x
  2. Step 2: Convert to fraction form
    47,029,248,045.30/70,543,872,067.95 = 20,856,841,677.30/x
  3. Step 3: Cross multiply
    47,029,248,045.30x = 70,543,872,067.95 × 20,856,841,677.30
  4. Step 4: Simplify right side
    47,029,248,045.30x = 1,471,322,371,024,938,860,544
  5. Step 5: Solve for x
    x = 1,471,322,371,024,938,860,544/47,029,248,045.30
  6. Step 6: Final answer
    x = 31,285,262,515.95

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1.5x scale

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.