Home / 863,040,130.70-1,294,157,719.47-448,405,483.10

Finding the Fourth Proportional to 863,040,130.70, 1,294,157,719.47 and 448,405,483.10

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Solution

The fourth proportional to 863,040,130.70, 1,294,157,719.47 and 448,405,483.10 is: 672,399,111.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,040,130.70 : 1,294,157,719.47 = 448,405,483.10 : x
  2. Step 2: Convert to fraction form
    863,040,130.70/1,294,157,719.47 = 448,405,483.10/x
  3. Step 3: Cross multiply
    863,040,130.70x = 1,294,157,719.47 × 448,405,483.10
  4. Step 4: Simplify right side
    863,040,130.70x = 580,307,417,406,539,648
  5. Step 5: Solve for x
    x = 580,307,417,406,539,648/863,040,130.70
  6. Step 6: Final answer
    x = 672,399,111.89

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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.