Finding the Fourth Proportional to 1,071,101,397.26, 1,605,918,618.92 and 545,452,994.80
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Solution
The fourth proportional to 1,071,101,397.26, 1,605,918,618.92 and 545,452,994.80 is: 817,805,972.75
Step by Step Solution
- Step 1: Write the proportion equation
1,071,101,397.26 : 1,605,918,618.92 = 545,452,994.80 : x - Step 2: Convert to fraction form
1,071,101,397.26/1,605,918,618.92 = 545,452,994.80/x - Step 3: Cross multiply
1,071,101,397.26x = 1,605,918,618.92 × 545,452,994.80 - Step 4: Simplify right side
1,071,101,397.26x = 875,953,120,094,993,920 - Step 5: Solve for x
x = 875,953,120,094,993,920/1,071,101,397.26 - Step 6: Final answer
x = 817,805,972.75
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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.