Home / 945,290,914.74-1,303,288,874.23-775,118,170.59

Finding the Fourth Proportional to 945,290,914.74, 1,303,288,874.23 and 775,118,170.59

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Solution

The fourth proportional to 945,290,914.74, 1,303,288,874.23 and 775,118,170.59 is: 1,068,668,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,290,914.74 : 1,303,288,874.23 = 775,118,170.59 : x
  2. Step 2: Convert to fraction form
    945,290,914.74/1,303,288,874.23 = 775,118,170.59/x
  3. Step 3: Cross multiply
    945,290,914.74x = 1,303,288,874.23 × 775,118,170.59
  4. Step 4: Simplify right side
    945,290,914.74x = 1,010,202,887,939,582,592
  5. Step 5: Solve for x
    x = 1,010,202,887,939,582,592/945,290,914.74
  6. Step 6: Final answer
    x = 1,068,668,779.31

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Double scale
Find fourth proportional to 945,290,915.74, 1,303,288,875.60 and 775,118,171.59
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.