Home / 579,350,809.60-869,180,179.20-251,685,721.60

Finding the Fourth Proportional to 579,350,809.60, 869,180,179.20 and 251,685,721.60

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Solution

The fourth proportional to 579,350,809.60, 869,180,179.20 and 251,685,721.60 is: 377,595,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,350,809.60 : 869,180,179.20 = 251,685,721.60 : x
  2. Step 2: Convert to fraction form
    579,350,809.60/869,180,179.20 = 251,685,721.60/x
  3. Step 3: Cross multiply
    579,350,809.60x = 869,180,179.20 × 251,685,721.60
  4. Step 4: Simplify right side
    579,350,809.60x = 218,760,240,602,369,312
  5. Step 5: Solve for x
    x = 218,760,240,602,369,312/579,350,809.60
  6. Step 6: Final answer
    x = 377,595,468.89

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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.