Home / 20,362,078,352.28-30,547,513,740.12-6,198,151,683.24

Finding the Fourth Proportional to 20,362,078,352.28, 30,547,513,740.12 and 6,198,151,683.24

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Solution

The fourth proportional to 20,362,078,352.28, 30,547,513,740.12 and 6,198,151,683.24 is: 9,298,565,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,078,352.28 : 30,547,513,740.12 = 6,198,151,683.24 : x
  2. Step 2: Convert to fraction form
    20,362,078,352.28/30,547,513,740.12 = 6,198,151,683.24/x
  3. Step 3: Cross multiply
    20,362,078,352.28x = 30,547,513,740.12 × 6,198,151,683.24
  4. Step 4: Simplify right side
    20,362,078,352.28x = 189,338,123,707,121,795,072
  5. Step 5: Solve for x
    x = 189,338,123,707,121,795,072/20,362,078,352.28
  6. Step 6: Final answer
    x = 9,298,565,717.67

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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.