Home / 897,226,918.40-1,347,226,060.80-489,080,230.40

Finding the Fourth Proportional to 897,226,918.40, 1,347,226,060.80 and 489,080,230.40

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Solution

The fourth proportional to 897,226,918.40, 1,347,226,060.80 and 489,080,230.40 is: 734,375,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,226,918.40 : 1,347,226,060.80 = 489,080,230.40 : x
  2. Step 2: Convert to fraction form
    897,226,918.40/1,347,226,060.80 = 489,080,230.40/x
  3. Step 3: Cross multiply
    897,226,918.40x = 1,347,226,060.80 × 489,080,230.40
  4. Step 4: Simplify right side
    897,226,918.40x = 658,901,632,216,948,352
  5. Step 5: Solve for x
    x = 658,901,632,216,948,352/897,226,918.40
  6. Step 6: Final answer
    x = 734,375,684.35

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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.