Home / 448,729,703.40-673,094,555.10-206,864,999.40

Finding the Fourth Proportional to 448,729,703.40, 673,094,555.10 and 206,864,999.40

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Solution

The fourth proportional to 448,729,703.40, 673,094,555.10 and 206,864,999.40 is: 310,297,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,729,703.40 : 673,094,555.10 = 206,864,999.40 : x
  2. Step 2: Convert to fraction form
    448,729,703.40/673,094,555.10 = 206,864,999.40/x
  3. Step 3: Cross multiply
    448,729,703.40x = 673,094,555.10 × 206,864,999.40
  4. Step 4: Simplify right side
    448,729,703.40x = 139,239,704,736,904,768
  5. Step 5: Solve for x
    x = 139,239,704,736,904,768/448,729,703.40
  6. Step 6: Final answer
    x = 310,297,499.10

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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.