Home / 585,069,823.48-807,378,879-320,742,782.68

Finding the Fourth Proportional to 585,069,823.48, 807,378,879 and 320,742,782.68

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Solution

The fourth proportional to 585,069,823.48, 807,378,879 and 320,742,782.68 is: 442,615,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,069,823.48 : 807,378,879 = 320,742,782.68 : x
  2. Step 2: Convert to fraction form
    585,069,823.48/807,378,879 = 320,742,782.68/x
  3. Step 3: Cross multiply
    585,069,823.48x = 807,378,879 × 320,742,782.68
  4. Step 4: Simplify right side
    585,069,823.48x = 258,960,948,327,519,008
  5. Step 5: Solve for x
    x = 258,960,948,327,519,008/585,069,823.48
  6. Step 6: Final answer
    x = 442,615,458.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.