Home / 1,036,288,012.40-1,554,432,018.60-270,383,116.40

Finding the Fourth Proportional to 1,036,288,012.40, 1,554,432,018.60 and 270,383,116.40

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Solution

The fourth proportional to 1,036,288,012.40, 1,554,432,018.60 and 270,383,116.40 is: 405,574,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,288,012.40 : 1,554,432,018.60 = 270,383,116.40 : x
  2. Step 2: Convert to fraction form
    1,036,288,012.40/1,554,432,018.60 = 270,383,116.40/x
  3. Step 3: Cross multiply
    1,036,288,012.40x = 1,554,432,018.60 × 270,383,116.40
  4. Step 4: Simplify right side
    1,036,288,012.40x = 420,292,173,421,010,688
  5. Step 5: Solve for x
    x = 420,292,173,421,010,688/1,036,288,012.40
  6. Step 6: Final answer
    x = 405,574,674.60

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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.