Home / 655,509,388.61-904,603,929.05-373,252,059.42

Finding the Fourth Proportional to 655,509,388.61, 904,603,929.05 and 373,252,059.42

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Solution

The fourth proportional to 655,509,388.61, 904,603,929.05 and 373,252,059.42 is: 515,088,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,509,388.61 : 904,603,929.05 = 373,252,059.42 : x
  2. Step 2: Convert to fraction form
    655,509,388.61/904,603,929.05 = 373,252,059.42/x
  3. Step 3: Cross multiply
    655,509,388.61x = 904,603,929.05 × 373,252,059.42
  4. Step 4: Simplify right side
    655,509,388.61x = 337,645,279,478,269,184
  5. Step 5: Solve for x
    x = 337,645,279,478,269,184/655,509,388.61
  6. Step 6: Final answer
    x = 515,088,395.91

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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.