Home / 579,828,767.32-869,879,332.73-191,651,556.15

Finding the Fourth Proportional to 579,828,767.32, 869,879,332.73 and 191,651,556.15

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Solution

The fourth proportional to 579,828,767.32, 869,879,332.73 and 191,651,556.15 is: 287,522,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,828,767.32 : 869,879,332.73 = 191,651,556.15 : x
  2. Step 2: Convert to fraction form
    579,828,767.32/869,879,332.73 = 191,651,556.15/x
  3. Step 3: Cross multiply
    579,828,767.32x = 869,879,332.73 × 191,651,556.15
  4. Step 4: Simplify right side
    579,828,767.32x = 166,713,727,780,428,128
  5. Step 5: Solve for x
    x = 166,713,727,780,428,128/579,828,767.32
  6. Step 6: Final answer
    x = 287,522,346.56

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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.