Home / 304,486,008.93-420,191,107.34-165,256,772.67

Finding the Fourth Proportional to 304,486,008.93, 420,191,107.34 and 165,256,772.67

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Solution

The fourth proportional to 304,486,008.93, 420,191,107.34 and 165,256,772.67 is: 228,054,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,486,008.93 : 420,191,107.34 = 165,256,772.67 : x
  2. Step 2: Convert to fraction form
    304,486,008.93/420,191,107.34 = 165,256,772.67/x
  3. Step 3: Cross multiply
    304,486,008.93x = 420,191,107.34 × 165,256,772.67
  4. Step 4: Simplify right side
    304,486,008.93x = 69,439,426,302,815,656
  5. Step 5: Solve for x
    x = 69,439,426,302,815,656/304,486,008.93
  6. Step 6: Final answer
    x = 228,054,571.53

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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.