Home / 1,430,667,590.31-2,146,001,551.65-448,170,691.77

Finding the Fourth Proportional to 1,430,667,590.31, 2,146,001,551.65 and 448,170,691.77

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Solution

The fourth proportional to 1,430,667,590.31, 2,146,001,551.65 and 448,170,691.77 is: 672,256,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,667,590.31 : 2,146,001,551.65 = 448,170,691.77 : x
  2. Step 2: Convert to fraction form
    1,430,667,590.31/2,146,001,551.65 = 448,170,691.77/x
  3. Step 3: Cross multiply
    1,430,667,590.31x = 2,146,001,551.65 × 448,170,691.77
  4. Step 4: Simplify right side
    1,430,667,590.31x = 961,774,999,942,473,856
  5. Step 5: Solve for x
    x = 961,774,999,942,473,856/1,430,667,590.31
  6. Step 6: Final answer
    x = 672,256,089.71

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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.