Home / 897,227,138.40-1,347,226,390.80-489,080,450.40

Finding the Fourth Proportional to 897,227,138.40, 1,347,226,390.80 and 489,080,450.40

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Solution

The fourth proportional to 897,227,138.40, 1,347,226,390.80 and 489,080,450.40 is: 734,376,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,227,138.40 : 1,347,226,390.80 = 489,080,450.40 : x
  2. Step 2: Convert to fraction form
    897,227,138.40/1,347,226,390.80 = 489,080,450.40/x
  3. Step 3: Cross multiply
    897,227,138.40x = 1,347,226,390.80 × 489,080,450.40
  4. Step 4: Simplify right side
    897,227,138.40x = 658,902,090,003,230,336
  5. Step 5: Solve for x
    x = 658,902,090,003,230,336/897,227,138.40
  6. Step 6: Final answer
    x = 734,376,014.50

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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.