Finding the Fourth Proportional to 827,144,701.90, 1,240,717,052.85 and 736,746,587.80
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Solution
The fourth proportional to 827,144,701.90, 1,240,717,052.85 and 736,746,587.80 is: 1,105,119,881.70
Step by Step Solution
- Step 1: Write the proportion equation
827,144,701.90 : 1,240,717,052.85 = 736,746,587.80 : x - Step 2: Convert to fraction form
827,144,701.90/1,240,717,052.85 = 736,746,587.80/x - Step 3: Cross multiply
827,144,701.90x = 1,240,717,052.85 × 736,746,587.80 - Step 4: Simplify right side
827,144,701.90x = 914,094,055,112,509,696 - Step 5: Solve for x
x = 914,094,055,112,509,696/827,144,701.90 - Step 6: Final answer
x = 1,105,119,881.70
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Double scale
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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.