Home / 304,558,600,394.93-420,300,947,999.33-167,386,288,768.67

Finding the Fourth Proportional to 304,558,600,394.93, 420,300,947,999.33 and 167,386,288,768.67

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Solution

The fourth proportional to 304,558,600,394.93, 420,300,947,999.33 and 167,386,288,768.67 is: 230,998,618,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,558,600,394.93 : 420,300,947,999.33 = 167,386,288,768.67 : x
  2. Step 2: Convert to fraction form
    304,558,600,394.93/420,300,947,999.33 = 167,386,288,768.67/x
  3. Step 3: Cross multiply
    304,558,600,394.93x = 420,300,947,999.33 × 167,386,288,768.67
  4. Step 4: Simplify right side
    304,558,600,394.93x = 70,352,615,851,561,611,952,128
  5. Step 5: Solve for x
    x = 70,352,615,851,561,611,952,128/304,558,600,394.93
  6. Step 6: Final answer
    x = 230,998,618,198.05

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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.