Home / 12,931,250,311.60-19,396,875,467.40-9,444,465,910.60

Finding the Fourth Proportional to 12,931,250,311.60, 19,396,875,467.40 and 9,444,465,910.60

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Solution

The fourth proportional to 12,931,250,311.60, 19,396,875,467.40 and 9,444,465,910.60 is: 14,166,698,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,250,311.60 : 19,396,875,467.40 = 9,444,465,910.60 : x
  2. Step 2: Convert to fraction form
    12,931,250,311.60/19,396,875,467.40 = 9,444,465,910.60/x
  3. Step 3: Cross multiply
    12,931,250,311.60x = 19,396,875,467.40 × 9,444,465,910.60
  4. Step 4: Simplify right side
    12,931,250,311.60x = 183,193,129,124,012,752,896
  5. Step 5: Solve for x
    x = 183,193,129,124,012,752,896/12,931,250,311.60
  6. Step 6: Final answer
    x = 14,166,698,865.90

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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.