Home / 298,034,884.32-411,301,667.92-165,884,330.40

Finding the Fourth Proportional to 298,034,884.32, 411,301,667.92 and 165,884,330.40

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Solution

The fourth proportional to 298,034,884.32, 411,301,667.92 and 165,884,330.40 is: 228,927,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,034,884.32 : 411,301,667.92 = 165,884,330.40 : x
  2. Step 2: Convert to fraction form
    298,034,884.32/411,301,667.92 = 165,884,330.40/x
  3. Step 3: Cross multiply
    298,034,884.32x = 411,301,667.92 × 165,884,330.40
  4. Step 4: Simplify right side
    298,034,884.32x = 68,228,501,775,312,368
  5. Step 5: Solve for x
    x = 68,228,501,775,312,368/298,034,884.32
  6. Step 6: Final answer
    x = 228,927,905.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.