Home / 449,340,045.60-674,010,068.40-399,175,514.40

Finding the Fourth Proportional to 449,340,045.60, 674,010,068.40 and 399,175,514.40

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Solution

The fourth proportional to 449,340,045.60, 674,010,068.40 and 399,175,514.40 is: 598,763,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,340,045.60 : 674,010,068.40 = 399,175,514.40 : x
  2. Step 2: Convert to fraction form
    449,340,045.60/674,010,068.40 = 399,175,514.40/x
  3. Step 3: Cross multiply
    449,340,045.60x = 674,010,068.40 × 399,175,514.40
  4. Step 4: Simplify right side
    449,340,045.60x = 269,048,315,764,349,152
  5. Step 5: Solve for x
    x = 269,048,315,764,349,152/449,340,045.60
  6. Step 6: Final answer
    x = 598,763,271.60

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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.