Home / 376,881,931.62-520,060,630.01-218,080,377.87

Finding the Fourth Proportional to 376,881,931.62, 520,060,630.01 and 218,080,377.87

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Solution

The fourth proportional to 376,881,931.62, 520,060,630.01 and 218,080,377.87 is: 300,929,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,881,931.62 : 520,060,630.01 = 218,080,377.87 : x
  2. Step 2: Convert to fraction form
    376,881,931.62/520,060,630.01 = 218,080,377.87/x
  3. Step 3: Cross multiply
    376,881,931.62x = 520,060,630.01 × 218,080,377.87
  4. Step 4: Simplify right side
    376,881,931.62x = 113,415,018,705,290,768
  5. Step 5: Solve for x
    x = 113,415,018,705,290,768/376,881,931.62
  6. Step 6: Final answer
    x = 300,929,838.21

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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.