Home / 357,467,415.80-536,201,123.70-253,163,262.20

Finding the Fourth Proportional to 357,467,415.80, 536,201,123.70 and 253,163,262.20

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Solution

The fourth proportional to 357,467,415.80, 536,201,123.70 and 253,163,262.20 is: 379,744,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,467,415.80 : 536,201,123.70 = 253,163,262.20 : x
  2. Step 2: Convert to fraction form
    357,467,415.80/536,201,123.70 = 253,163,262.20/x
  3. Step 3: Cross multiply
    357,467,415.80x = 536,201,123.70 × 253,163,262.20
  4. Step 4: Simplify right side
    357,467,415.80x = 135,746,425,671,197,728
  5. Step 5: Solve for x
    x = 135,746,425,671,197,728/357,467,415.80
  6. Step 6: Final answer
    x = 379,744,893.30

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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.