Home / 628,224,330.40-942,336,495.60-245,271,882.40

Finding the Fourth Proportional to 628,224,330.40, 942,336,495.60 and 245,271,882.40

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Solution

The fourth proportional to 628,224,330.40, 942,336,495.60 and 245,271,882.40 is: 367,907,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,224,330.40 : 942,336,495.60 = 245,271,882.40 : x
  2. Step 2: Convert to fraction form
    628,224,330.40/942,336,495.60 = 245,271,882.40/x
  3. Step 3: Cross multiply
    628,224,330.40x = 942,336,495.60 × 245,271,882.40
  4. Step 4: Simplify right side
    628,224,330.40x = 231,128,646,130,031,328
  5. Step 5: Solve for x
    x = 231,128,646,130,031,328/628,224,330.40
  6. Step 6: Final answer
    x = 367,907,823.60

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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.