Home / 304,558,600,399.42-420,300,948,005.52-167,386,288,773.19

Finding the Fourth Proportional to 304,558,600,399.42, 420,300,948,005.52 and 167,386,288,773.19

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Solution

The fourth proportional to 304,558,600,399.42, 420,300,948,005.52 and 167,386,288,773.19 is: 230,998,618,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,558,600,399.42 : 420,300,948,005.52 = 167,386,288,773.19 : x
  2. Step 2: Convert to fraction form
    304,558,600,399.42/420,300,948,005.52 = 167,386,288,773.19/x
  3. Step 3: Cross multiply
    304,558,600,399.42x = 420,300,948,005.52 × 167,386,288,773.19
  4. Step 4: Simplify right side
    304,558,600,399.42x = 70,352,615,854,497,490,534,400
  5. Step 5: Solve for x
    x = 70,352,615,854,497,490,534,400/304,558,600,399.42
  6. Step 6: Final answer
    x = 230,998,618,204.29

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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.