Home / 488,716,077.40-733,074,116.10-448,539,137.80

Finding the Fourth Proportional to 488,716,077.40, 733,074,116.10 and 448,539,137.80

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Solution

The fourth proportional to 488,716,077.40, 733,074,116.10 and 448,539,137.80 is: 672,808,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,716,077.40 : 733,074,116.10 = 448,539,137.80 : x
  2. Step 2: Convert to fraction form
    488,716,077.40/733,074,116.10 = 448,539,137.80/x
  3. Step 3: Cross multiply
    488,716,077.40x = 733,074,116.10 × 448,539,137.80
  4. Step 4: Simplify right side
    488,716,077.40x = 328,812,431,978,991,104
  5. Step 5: Solve for x
    x = 328,812,431,978,991,104/488,716,077.40
  6. Step 6: Final answer
    x = 672,808,706.70

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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.