Home / 448,144,025.80-672,216,038.70-310,394,518.60

Finding the Fourth Proportional to 448,144,025.80, 672,216,038.70 and 310,394,518.60

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Solution

The fourth proportional to 448,144,025.80, 672,216,038.70 and 310,394,518.60 is: 465,591,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,144,025.80 : 672,216,038.70 = 310,394,518.60 : x
  2. Step 2: Convert to fraction form
    448,144,025.80/672,216,038.70 = 310,394,518.60/x
  3. Step 3: Cross multiply
    448,144,025.80x = 672,216,038.70 × 310,394,518.60
  4. Step 4: Simplify right side
    448,144,025.80x = 208,652,173,727,485,504
  5. Step 5: Solve for x
    x = 208,652,173,727,485,504/448,144,025.80
  6. Step 6: Final answer
    x = 465,591,777.90

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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.