Home / 304,558,600,382.28-420,300,947,981.88-167,386,288,756.05

Finding the Fourth Proportional to 304,558,600,382.28, 420,300,947,981.88 and 167,386,288,756.05

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Solution

The fourth proportional to 304,558,600,382.28, 420,300,947,981.88 and 167,386,288,756.05 is: 230,998,618,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,558,600,382.28 : 420,300,947,981.88 = 167,386,288,756.05 : x
  2. Step 2: Convert to fraction form
    304,558,600,382.28/420,300,947,981.88 = 167,386,288,756.05/x
  3. Step 3: Cross multiply
    304,558,600,382.28x = 420,300,947,981.88 × 167,386,288,756.05
  4. Step 4: Simplify right side
    304,558,600,382.28x = 70,352,615,843,336,514,699,264
  5. Step 5: Solve for x
    x = 70,352,615,843,336,514,699,264/304,558,600,382.28
  6. Step 6: Final answer
    x = 230,998,618,180.64

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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.