Home / 19,778,239,969.60-29,667,359,954.40-7,353,999,695.20

Finding the Fourth Proportional to 19,778,239,969.60, 29,667,359,954.40 and 7,353,999,695.20

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Solution

The fourth proportional to 19,778,239,969.60, 29,667,359,954.40 and 7,353,999,695.20 is: 11,030,999,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778,239,969.60 : 29,667,359,954.40 = 7,353,999,695.20 : x
  2. Step 2: Convert to fraction form
    19,778,239,969.60/29,667,359,954.40 = 7,353,999,695.20/x
  3. Step 3: Cross multiply
    19,778,239,969.60x = 29,667,359,954.40 × 7,353,999,695.20
  4. Step 4: Simplify right side
    19,778,239,969.60x = 218,173,756,062,046,289,920
  5. Step 5: Solve for x
    x = 218,173,756,062,046,289,920/19,778,239,969.60
  6. Step 6: Final answer
    x = 11,030,999,542.80

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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.