Home / 304,558,600,389.76-420,300,947,992.28-167,386,288,763.55

Finding the Fourth Proportional to 304,558,600,389.76, 420,300,947,992.28 and 167,386,288,763.55

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Solution

The fourth proportional to 304,558,600,389.76, 420,300,947,992.28 and 167,386,288,763.55 is: 230,998,618,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,558,600,389.76 : 420,300,947,992.28 = 167,386,288,763.55 : x
  2. Step 2: Convert to fraction form
    304,558,600,389.76/420,300,947,992.28 = 167,386,288,763.55/x
  3. Step 3: Cross multiply
    304,558,600,389.76x = 420,300,947,992.28 × 167,386,288,763.55
  4. Step 4: Simplify right side
    304,558,600,389.76x = 70,352,615,848,229,589,745,664
  5. Step 5: Solve for x
    x = 70,352,615,848,229,589,745,664/304,558,600,389.76
  6. Step 6: Final answer
    x = 230,998,618,191.03

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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.