Home / 449,651,767.28-620,329,428.60-301,020,768.68

Finding the Fourth Proportional to 449,651,767.28, 620,329,428.60 and 301,020,768.68

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Solution

The fourth proportional to 449,651,767.28, 620,329,428.60 and 301,020,768.68 is: 415,281,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,651,767.28 : 620,329,428.60 = 301,020,768.68 : x
  2. Step 2: Convert to fraction form
    449,651,767.28/620,329,428.60 = 301,020,768.68/x
  3. Step 3: Cross multiply
    449,651,767.28x = 620,329,428.60 × 301,020,768.68
  4. Step 4: Simplify right side
    449,651,767.28x = 186,732,041,431,997,184
  5. Step 5: Solve for x
    x = 186,732,041,431,997,184/449,651,767.28
  6. Step 6: Final answer
    x = 415,281,457.83

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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.