Home / 40,947,242,000.40-61,420,863,000.60-19,974,879,529.20

Finding the Fourth Proportional to 40,947,242,000.40, 61,420,863,000.60 and 19,974,879,529.20

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Solution

The fourth proportional to 40,947,242,000.40, 61,420,863,000.60 and 19,974,879,529.20 is: 29,962,319,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,947,242,000.40 : 61,420,863,000.60 = 19,974,879,529.20 : x
  2. Step 2: Convert to fraction form
    40,947,242,000.40/61,420,863,000.60 = 19,974,879,529.20/x
  3. Step 3: Cross multiply
    40,947,242,000.40x = 61,420,863,000.60 × 19,974,879,529.20
  4. Step 4: Simplify right side
    40,947,242,000.40x = 1,226,874,339,016,482,750,464
  5. Step 5: Solve for x
    x = 1,226,874,339,016,482,750,464/40,947,242,000.40
  6. Step 6: Final answer
    x = 29,962,319,293.80

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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.