Home / 253,202,486.40-379,803,729.60-236,196,374.40

Finding the Fourth Proportional to 253,202,486.40, 379,803,729.60 and 236,196,374.40

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Solution

The fourth proportional to 253,202,486.40, 379,803,729.60 and 236,196,374.40 is: 354,294,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,202,486.40 : 379,803,729.60 = 236,196,374.40 : x
  2. Step 2: Convert to fraction form
    253,202,486.40/379,803,729.60 = 236,196,374.40/x
  3. Step 3: Cross multiply
    253,202,486.40x = 379,803,729.60 × 236,196,374.40
  4. Step 4: Simplify right side
    253,202,486.40x = 89,708,263,915,117,968
  5. Step 5: Solve for x
    x = 89,708,263,915,117,968/253,202,486.40
  6. Step 6: Final answer
    x = 354,294,561.60

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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.