Home / 661,879,503.78-913,382,571.69-364,549,434.18

Finding the Fourth Proportional to 661,879,503.78, 913,382,571.69 and 364,549,434.18

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Solution

The fourth proportional to 661,879,503.78, 913,382,571.69 and 364,549,434.18 is: 503,072,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,879,503.78 : 913,382,571.69 = 364,549,434.18 : x
  2. Step 2: Convert to fraction form
    661,879,503.78/913,382,571.69 = 364,549,434.18/x
  3. Step 3: Cross multiply
    661,879,503.78x = 913,382,571.69 × 364,549,434.18
  4. Step 4: Simplify right side
    661,879,503.78x = 332,973,099,699,462,784
  5. Step 5: Solve for x
    x = 332,973,099,699,462,784/661,879,503.78
  6. Step 6: Final answer
    x = 503,072,081.55

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Why These Related Problems?

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