Home / 579,959,054.46-869,668,871.13-211,237,318.26

Finding the Fourth Proportional to 579,959,054.46, 869,668,871.13 and 211,237,318.26

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Solution

The fourth proportional to 579,959,054.46, 869,668,871.13 and 211,237,318.26 is: 316,757,741.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,959,054.46 : 869,668,871.13 = 211,237,318.26 : x
  2. Step 2: Convert to fraction form
    579,959,054.46/869,668,871.13 = 211,237,318.26/x
  3. Step 3: Cross multiply
    579,959,054.46x = 869,668,871.13 × 211,237,318.26
  4. Step 4: Simplify right side
    579,959,054.46x = 183,706,520,111,702,720
  5. Step 5: Solve for x
    x = 183,706,520,111,702,720/579,959,054.46
  6. Step 6: Final answer
    x = 316,757,741.26

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Double scale
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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.