Home / 339,552,031.40-509,328,047.10-145,430,412.20

Finding the Fourth Proportional to 339,552,031.40, 509,328,047.10 and 145,430,412.20

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Solution

The fourth proportional to 339,552,031.40, 509,328,047.10 and 145,430,412.20 is: 218,145,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,552,031.40 : 509,328,047.10 = 145,430,412.20 : x
  2. Step 2: Convert to fraction form
    339,552,031.40/509,328,047.10 = 145,430,412.20/x
  3. Step 3: Cross multiply
    339,552,031.40x = 509,328,047.10 × 145,430,412.20
  4. Step 4: Simplify right side
    339,552,031.40x = 74,071,787,834,774,016
  5. Step 5: Solve for x
    x = 74,071,787,834,774,016/339,552,031.40
  6. Step 6: Final answer
    x = 218,145,618.30

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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.