Home / 449,363,855.04-620,068,412.88-248,393,581.08

Finding the Fourth Proportional to 449,363,855.04, 620,068,412.88 and 248,393,581.08

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Solution

The fourth proportional to 449,363,855.04, 620,068,412.88 and 248,393,581.08 is: 342,753,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,363,855.04 : 620,068,412.88 = 248,393,581.08 : x
  2. Step 2: Convert to fraction form
    449,363,855.04/620,068,412.88 = 248,393,581.08/x
  3. Step 3: Cross multiply
    449,363,855.04x = 620,068,412.88 × 248,393,581.08
  4. Step 4: Simplify right side
    449,363,855.04x = 154,021,013,589,855,200
  5. Step 5: Solve for x
    x = 154,021,013,589,855,200/449,363,855.04
  6. Step 6: Final answer
    x = 342,753,454.38

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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.