Home / 304,558,600,389.60-420,300,947,992.07-167,386,288,763.42

Finding the Fourth Proportional to 304,558,600,389.60, 420,300,947,992.07 and 167,386,288,763.42

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Solution

The fourth proportional to 304,558,600,389.60, 420,300,947,992.07 and 167,386,288,763.42 is: 230,998,618,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,558,600,389.60 : 420,300,947,992.07 = 167,386,288,763.42 : x
  2. Step 2: Convert to fraction form
    304,558,600,389.60/420,300,947,992.07 = 167,386,288,763.42/x
  3. Step 3: Cross multiply
    304,558,600,389.60x = 420,300,947,992.07 × 167,386,288,763.42
  4. Step 4: Simplify right side
    304,558,600,389.60x = 70,352,615,848,139,806,474,240
  5. Step 5: Solve for x
    x = 70,352,615,848,139,806,474,240/304,558,600,389.60
  6. Step 6: Final answer
    x = 230,998,618,190.86

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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.