Finding the Fourth Proportional to 605,823,890.74, 906,872,009.23 and 395,281,226.44
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Solution
The fourth proportional to 605,823,890.74, 906,872,009.23 and 395,281,226.44 is: 591,705,750.65
Step by Step Solution
- Step 1: Write the proportion equation
605,823,890.74 : 906,872,009.23 = 395,281,226.44 : x - Step 2: Convert to fraction form
605,823,890.74/906,872,009.23 = 395,281,226.44/x - Step 3: Cross multiply
605,823,890.74x = 906,872,009.23 × 395,281,226.44 - Step 4: Simplify right side
605,823,890.74x = 358,469,480,034,169,152 - Step 5: Solve for x
x = 358,469,480,034,169,152/605,823,890.74 - Step 6: Final answer
x = 591,705,750.65
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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.