Home / 298,760,763.60-448,141,145.40-247,742,427.60

Finding the Fourth Proportional to 298,760,763.60, 448,141,145.40 and 247,742,427.60

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Solution

The fourth proportional to 298,760,763.60, 448,141,145.40 and 247,742,427.60 is: 371,613,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,760,763.60 : 448,141,145.40 = 247,742,427.60 : x
  2. Step 2: Convert to fraction form
    298,760,763.60/448,141,145.40 = 247,742,427.60/x
  3. Step 3: Cross multiply
    298,760,763.60x = 448,141,145.40 × 247,742,427.60
  4. Step 4: Simplify right side
    298,760,763.60x = 111,023,575,268,840,560
  5. Step 5: Solve for x
    x = 111,023,575,268,840,560/298,760,763.60
  6. Step 6: Final answer
    x = 371,613,641.40

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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.