Home / 1,345,699,669.14-2,018,536,051.23-425,576,164.50

Finding the Fourth Proportional to 1,345,699,669.14, 2,018,536,051.23 and 425,576,164.50

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Solution

The fourth proportional to 1,345,699,669.14, 2,018,536,051.23 and 425,576,164.50 is: 638,359,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,699,669.14 : 2,018,536,051.23 = 425,576,164.50 : x
  2. Step 2: Convert to fraction form
    1,345,699,669.14/2,018,536,051.23 = 425,576,164.50/x
  3. Step 3: Cross multiply
    1,345,699,669.14x = 2,018,536,051.23 × 425,576,164.50
  4. Step 4: Simplify right side
    1,345,699,669.14x = 859,040,830,587,438,976
  5. Step 5: Solve for x
    x = 859,040,830,587,438,976/1,345,699,669.14
  6. Step 6: Final answer
    x = 638,359,992.42

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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.