Home / 265,773,615.60-398,660,423.40-194,109,999.60

Finding the Fourth Proportional to 265,773,615.60, 398,660,423.40 and 194,109,999.60

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Solution

The fourth proportional to 265,773,615.60, 398,660,423.40 and 194,109,999.60 is: 291,164,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,773,615.60 : 398,660,423.40 = 194,109,999.60 : x
  2. Step 2: Convert to fraction form
    265,773,615.60/398,660,423.40 = 194,109,999.60/x
  3. Step 3: Cross multiply
    265,773,615.60x = 398,660,423.40 × 194,109,999.60
  4. Step 4: Simplify right side
    265,773,615.60x = 77,383,974,626,709,824
  5. Step 5: Solve for x
    x = 77,383,974,626,709,824/265,773,615.60
  6. Step 6: Final answer
    x = 291,164,999.40

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1.5x scale

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.