Home / 690,330,728.38-952,650,094.94-377,064,848.38

Finding the Fourth Proportional to 690,330,728.38, 952,650,094.94 and 377,064,848.38

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Solution

The fourth proportional to 690,330,728.38, 952,650,094.94 and 377,064,848.38 is: 520,346,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,330,728.38 : 952,650,094.94 = 377,064,848.38 : x
  2. Step 2: Convert to fraction form
    690,330,728.38/952,650,094.94 = 377,064,848.38/x
  3. Step 3: Cross multiply
    690,330,728.38x = 952,650,094.94 × 377,064,848.38
  4. Step 4: Simplify right side
    690,330,728.38x = 359,210,863,607,743,744
  5. Step 5: Solve for x
    x = 359,210,863,607,743,744/690,330,728.38
  6. Step 6: Final answer
    x = 520,346,044.06

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1.5x scale

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.