Home / 575,424,176.80-863,136,265.20-422,369,168.80

Finding the Fourth Proportional to 575,424,176.80, 863,136,265.20 and 422,369,168.80

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Solution

The fourth proportional to 575,424,176.80, 863,136,265.20 and 422,369,168.80 is: 633,553,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,424,176.80 : 863,136,265.20 = 422,369,168.80 : x
  2. Step 2: Convert to fraction form
    575,424,176.80/863,136,265.20 = 422,369,168.80/x
  3. Step 3: Cross multiply
    575,424,176.80x = 863,136,265.20 × 422,369,168.80
  4. Step 4: Simplify right side
    575,424,176.80x = 364,562,146,893,660,416
  5. Step 5: Solve for x
    x = 364,562,146,893,660,416/575,424,176.80
  6. Step 6: Final answer
    x = 633,553,753.20

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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.