Home / 384,912,020.40-577,368,030.60-169,921,172.40

Finding the Fourth Proportional to 384,912,020.40, 577,368,030.60 and 169,921,172.40

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Solution

The fourth proportional to 384,912,020.40, 577,368,030.60 and 169,921,172.40 is: 254,881,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,020.40 : 577,368,030.60 = 169,921,172.40 : x
  2. Step 2: Convert to fraction form
    384,912,020.40/577,368,030.60 = 169,921,172.40/x
  3. Step 3: Cross multiply
    384,912,020.40x = 577,368,030.60 × 169,921,172.40
  4. Step 4: Simplify right side
    384,912,020.40x = 98,107,052,665,831,088
  5. Step 5: Solve for x
    x = 98,107,052,665,831,088/384,912,020.40
  6. Step 6: Final answer
    x = 254,881,758.60

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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.