Home / 1,074,554,328.20-1,609,144,106.70-859,563,480.20

Finding the Fourth Proportional to 1,074,554,328.20, 1,609,144,106.70 and 859,563,480.20

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Solution

The fourth proportional to 1,074,554,328.20, 1,609,144,106.70 and 859,563,480.20 is: 1,287,195,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,554,328.20 : 1,609,144,106.70 = 859,563,480.20 : x
  2. Step 2: Convert to fraction form
    1,074,554,328.20/1,609,144,106.70 = 859,563,480.20/x
  3. Step 3: Cross multiply
    1,074,554,328.20x = 1,609,144,106.70 × 859,563,480.20
  4. Step 4: Simplify right side
    1,074,554,328.20x = 1,383,161,508,498,372,352
  5. Step 5: Solve for x
    x = 1,383,161,508,498,372,352/1,074,554,328.20
  6. Step 6: Final answer
    x = 1,287,195,511.85

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Double scale
Find fourth proportional to 1,074,554,329.20, 1,609,144,108.20 and 859,563,481.20
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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.