Finding the Fourth Proportional to 717,167,958.04, 990,148,740.14 and 585,323,449.28
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Solution
The fourth proportional to 717,167,958.04, 990,148,740.14 and 585,323,449.28 is: 808,119,310.66
Step by Step Solution
- Step 1: Write the proportion equation
717,167,958.04 : 990,148,740.14 = 585,323,449.28 : x - Step 2: Convert to fraction form
717,167,958.04/990,148,740.14 = 585,323,449.28/x - Step 3: Cross multiply
717,167,958.04x = 990,148,740.14 × 585,323,449.28 - Step 4: Simplify right side
717,167,958.04x = 579,557,275,878,991,104 - Step 5: Solve for x
x = 579,557,275,878,991,104/717,167,958.04 - Step 6: Final answer
x = 808,119,310.66
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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.