Home / 449,651,298.30-620,328,782.43-301,020,305.94

Finding the Fourth Proportional to 449,651,298.30, 620,328,782.43 and 301,020,305.94

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Solution

The fourth proportional to 449,651,298.30, 620,328,782.43 and 301,020,305.94 is: 415,280,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,651,298.30 : 620,328,782.43 = 301,020,305.94 : x
  2. Step 2: Convert to fraction form
    449,651,298.30/620,328,782.43 = 301,020,305.94/x
  3. Step 3: Cross multiply
    449,651,298.30x = 620,328,782.43 × 301,020,305.94
  4. Step 4: Simplify right side
    449,651,298.30x = 186,731,559,870,466,272
  5. Step 5: Solve for x
    x = 186,731,559,870,466,272/449,651,298.30
  6. Step 6: Final answer
    x = 415,280,820.00

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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.