Home / 612,920,474.45-845,848,199.81-334,479,945.05

Finding the Fourth Proportional to 612,920,474.45, 845,848,199.81 and 334,479,945.05

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Solution

The fourth proportional to 612,920,474.45, 845,848,199.81 and 334,479,945.05 is: 461,592,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,920,474.45 : 845,848,199.81 = 334,479,945.05 : x
  2. Step 2: Convert to fraction form
    612,920,474.45/845,848,199.81 = 334,479,945.05/x
  3. Step 3: Cross multiply
    612,920,474.45x = 845,848,199.81 × 334,479,945.05
  4. Step 4: Simplify right side
    612,920,474.45x = 282,919,259,391,417,824
  5. Step 5: Solve for x
    x = 282,919,259,391,417,824/612,920,474.45
  6. Step 6: Final answer
    x = 461,592,117.06

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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.