Home / 13,371,698,369.76-18,447,219,768.24-8,350,728,948.96

Finding the Fourth Proportional to 13,371,698,369.76, 18,447,219,768.24 and 8,350,728,948.96

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Solution

The fourth proportional to 13,371,698,369.76, 18,447,219,768.24 and 8,350,728,948.96 is: 11,520,431,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371,698,369.76 : 18,447,219,768.24 = 8,350,728,948.96 : x
  2. Step 2: Convert to fraction form
    13,371,698,369.76/18,447,219,768.24 = 8,350,728,948.96/x
  3. Step 3: Cross multiply
    13,371,698,369.76x = 18,447,219,768.24 × 8,350,728,948.96
  4. Step 4: Simplify right side
    13,371,698,369.76x = 154,047,732,146,468,978,688
  5. Step 5: Solve for x
    x = 154,047,732,146,468,978,688/13,371,698,369.76
  6. Step 6: Final answer
    x = 11,520,431,278.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.