Home / 369,955,748.70-510,474,037.61-211,113,348.21

Finding the Fourth Proportional to 369,955,748.70, 510,474,037.61 and 211,113,348.21

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Solution

The fourth proportional to 369,955,748.70, 510,474,037.61 and 211,113,348.21 is: 291,299,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,955,748.70 : 510,474,037.61 = 211,113,348.21 : x
  2. Step 2: Convert to fraction form
    369,955,748.70/510,474,037.61 = 211,113,348.21/x
  3. Step 3: Cross multiply
    369,955,748.70x = 510,474,037.61 × 211,113,348.21
  4. Step 4: Simplify right side
    369,955,748.70x = 107,767,883,253,069,008
  5. Step 5: Solve for x
    x = 107,767,883,253,069,008/369,955,748.70
  6. Step 6: Final answer
    x = 291,299,388.19

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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.