Finding the Fourth Proportional to 703,402,987.19, 1,053,772,704.09 and 469,528,498.62
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Solution
The fourth proportional to 703,402,987.19, 1,053,772,704.09 and 469,528,498.62 is: 703,403,773.73
Step by Step Solution
- Step 1: Write the proportion equation
703,402,987.19 : 1,053,772,704.09 = 469,528,498.62 : x - Step 2: Convert to fraction form
703,402,987.19/1,053,772,704.09 = 469,528,498.62/x - Step 3: Cross multiply
703,402,987.19x = 1,053,772,704.09 × 469,528,498.62 - Step 4: Simplify right side
703,402,987.19x = 494,776,315,637,648,192 - Step 5: Solve for x
x = 494,776,315,637,648,192/703,402,987.19 - Step 6: Final answer
x = 703,403,773.73
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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.