Home / 432,579,379.72-596,759,439.42-383,070,209.80

Finding the Fourth Proportional to 432,579,379.72, 596,759,439.42 and 383,070,209.80

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Solution

The fourth proportional to 432,579,379.72, 596,759,439.42 and 383,070,209.80 is: 528,459,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,579,379.72 : 596,759,439.42 = 383,070,209.80 : x
  2. Step 2: Convert to fraction form
    432,579,379.72/596,759,439.42 = 383,070,209.80/x
  3. Step 3: Cross multiply
    432,579,379.72x = 596,759,439.42 × 383,070,209.80
  4. Step 4: Simplify right side
    432,579,379.72x = 228,600,763,658,749,792
  5. Step 5: Solve for x
    x = 228,600,763,658,749,792/432,579,379.72
  6. Step 6: Final answer
    x = 528,459,687.11

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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.