Home / 698,279,447.62-1,046,233,848.84-421,348,741

Finding the Fourth Proportional to 698,279,447.62, 1,046,233,848.84 and 421,348,741

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Solution

The fourth proportional to 698,279,447.62, 1,046,233,848.84 and 421,348,741 is: 631,307,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,279,447.62 : 1,046,233,848.84 = 421,348,741 : x
  2. Step 2: Convert to fraction form
    698,279,447.62/1,046,233,848.84 = 421,348,741/x
  3. Step 3: Cross multiply
    698,279,447.62x = 1,046,233,848.84 × 421,348,741
  4. Step 4: Simplify right side
    698,279,447.62x = 440,829,315,000,318,336
  5. Step 5: Solve for x
    x = 440,829,315,000,318,336/698,279,447.62
  6. Step 6: Final answer
    x = 631,307,876.10

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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.