Home / 338,258,823.40-507,388,235.10-108,235,412.20

Finding the Fourth Proportional to 338,258,823.40, 507,388,235.10 and 108,235,412.20

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Solution

The fourth proportional to 338,258,823.40, 507,388,235.10 and 108,235,412.20 is: 162,353,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,258,823.40 : 507,388,235.10 = 108,235,412.20 : x
  2. Step 2: Convert to fraction form
    338,258,823.40/507,388,235.10 = 108,235,412.20/x
  3. Step 3: Cross multiply
    338,258,823.40x = 507,388,235.10 × 108,235,412.20
  4. Step 4: Simplify right side
    338,258,823.40x = 54,917,374,771,479,016
  5. Step 5: Solve for x
    x = 54,917,374,771,479,016/338,258,823.40
  6. Step 6: Final answer
    x = 162,353,118.30

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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.