Home / 1,152,081,624.60-1,589,701,613.82-699,724,193.70

Finding the Fourth Proportional to 1,152,081,624.60, 1,589,701,613.82 and 699,724,193.70

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Solution

The fourth proportional to 1,152,081,624.60, 1,589,701,613.82 and 699,724,193.70 is: 965,515,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,081,624.60 : 1,589,701,613.82 = 699,724,193.70 : x
  2. Step 2: Convert to fraction form
    1,152,081,624.60/1,589,701,613.82 = 699,724,193.70/x
  3. Step 3: Cross multiply
    1,152,081,624.60x = 1,589,701,613.82 × 699,724,193.70
  4. Step 4: Simplify right side
    1,152,081,624.60x = 1,112,352,679,953,788,288
  5. Step 5: Solve for x
    x = 1,112,352,679,953,788,288/1,152,081,624.60
  6. Step 6: Final answer
    x = 965,515,512.27

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Double scale
Find fourth proportional to 1,152,081,625.60, 1,589,701,615.20 and 699,724,194.70
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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.