Home / 539,578,080.99-808,141,298.94-422,262,314.19

Finding the Fourth Proportional to 539,578,080.99, 808,141,298.94 and 422,262,314.19

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Solution

The fourth proportional to 539,578,080.99, 808,141,298.94 and 422,262,314.19 is: 632,434,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,578,080.99 : 808,141,298.94 = 422,262,314.19 : x
  2. Step 2: Convert to fraction form
    539,578,080.99/808,141,298.94 = 422,262,314.19/x
  3. Step 3: Cross multiply
    539,578,080.99x = 808,141,298.94 × 422,262,314.19
  4. Step 4: Simplify right side
    539,578,080.99x = 341,247,615,082,916,992
  5. Step 5: Solve for x
    x = 341,247,615,082,916,992/539,578,080.99
  6. Step 6: Final answer
    x = 632,434,168.67

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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.