Home / 493,780,763.40-740,335,221.90-235,119,899.40

Finding the Fourth Proportional to 493,780,763.40, 740,335,221.90 and 235,119,899.40

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Solution

The fourth proportional to 493,780,763.40, 740,335,221.90 and 235,119,899.40 is: 352,519,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,780,763.40 : 740,335,221.90 = 235,119,899.40 : x
  2. Step 2: Convert to fraction form
    493,780,763.40/740,335,221.90 = 235,119,899.40/x
  3. Step 3: Cross multiply
    493,780,763.40x = 740,335,221.90 × 235,119,899.40
  4. Step 4: Simplify right side
    493,780,763.40x = 174,067,542,895,404,672
  5. Step 5: Solve for x
    x = 174,067,542,895,404,672/493,780,763.40
  6. Step 6: Final answer
    x = 352,519,895.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.