Home / 448,578,399.40-672,867,599.10-438,500,703.40

Finding the Fourth Proportional to 448,578,399.40, 672,867,599.10 and 438,500,703.40

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Solution

The fourth proportional to 448,578,399.40, 672,867,599.10 and 438,500,703.40 is: 657,751,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,578,399.40 : 672,867,599.10 = 438,500,703.40 : x
  2. Step 2: Convert to fraction form
    448,578,399.40/672,867,599.10 = 438,500,703.40/x
  3. Step 3: Cross multiply
    448,578,399.40x = 672,867,599.10 × 438,500,703.40
  4. Step 4: Simplify right side
    448,578,399.40x = 295,052,915,500,419,200
  5. Step 5: Solve for x
    x = 295,052,915,500,419,200/448,578,399.40
  6. Step 6: Final answer
    x = 657,751,055.10

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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.