Home / 31,492,875,306.40-47,246,115,404.40-9,412,139,485.60

Finding the Fourth Proportional to 31,492,875,306.40, 47,246,115,404.40 and 9,412,139,485.60

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Solution

The fourth proportional to 31,492,875,306.40, 47,246,115,404.40 and 9,412,139,485.60 is: 14,120,242,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492,875,306.40 : 47,246,115,404.40 = 9,412,139,485.60 : x
  2. Step 2: Convert to fraction form
    31,492,875,306.40/47,246,115,404.40 = 9,412,139,485.60/x
  3. Step 3: Cross multiply
    31,492,875,306.40x = 47,246,115,404.40 × 9,412,139,485.60
  4. Step 4: Simplify right side
    31,492,875,306.40x = 444,687,028,338,967,707,648
  5. Step 5: Solve for x
    x = 444,687,028,338,967,707,648/31,492,875,306.40
  6. Step 6: Final answer
    x = 14,120,242,245.67

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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.