Home / 265,775,415.60-398,663,123.40-194,111,799.60

Finding the Fourth Proportional to 265,775,415.60, 398,663,123.40 and 194,111,799.60

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Solution

The fourth proportional to 265,775,415.60, 398,663,123.40 and 194,111,799.60 is: 291,167,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,775,415.60 : 398,663,123.40 = 194,111,799.60 : x
  2. Step 2: Convert to fraction form
    265,775,415.60/398,663,123.40 = 194,111,799.60/x
  3. Step 3: Cross multiply
    265,775,415.60x = 398,663,123.40 × 194,111,799.60
  4. Step 4: Simplify right side
    265,775,415.60x = 77,385,216,317,330,864
  5. Step 5: Solve for x
    x = 77,385,216,317,330,864/265,775,415.60
  6. Step 6: Final answer
    x = 291,167,699.40

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Similar ratio
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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.