Home / 655,759,751.18-904,946,919.53-373,502,137.68

Finding the Fourth Proportional to 655,759,751.18, 904,946,919.53 and 373,502,137.68

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Solution

The fourth proportional to 655,759,751.18, 904,946,919.53 and 373,502,137.68 is: 515,432,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,759,751.18 : 904,946,919.53 = 373,502,137.68 : x
  2. Step 2: Convert to fraction form
    655,759,751.18/904,946,919.53 = 373,502,137.68/x
  3. Step 3: Cross multiply
    655,759,751.18x = 904,946,919.53 × 373,502,137.68
  4. Step 4: Simplify right side
    655,759,751.18x = 337,999,608,929,518,400
  5. Step 5: Solve for x
    x = 337,999,608,929,518,400/655,759,751.18
  6. Step 6: Final answer
    x = 515,432,074.51

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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.