Home / 384,912,014.40-577,368,021.60-169,921,166.40

Finding the Fourth Proportional to 384,912,014.40, 577,368,021.60 and 169,921,166.40

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Solution

The fourth proportional to 384,912,014.40, 577,368,021.60 and 169,921,166.40 is: 254,881,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,014.40 : 577,368,021.60 = 169,921,166.40 : x
  2. Step 2: Convert to fraction form
    384,912,014.40/577,368,021.60 = 169,921,166.40/x
  3. Step 3: Cross multiply
    384,912,014.40x = 577,368,021.60 × 169,921,166.40
  4. Step 4: Simplify right side
    384,912,014.40x = 98,107,047,672,332,400
  5. Step 5: Solve for x
    x = 98,107,047,672,332,400/384,912,014.40
  6. Step 6: Final answer
    x = 254,881,749.60

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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.