Finding the Fourth Proportional to 1,029,974,685.24, 1,421,321,815.80 and 583,968,060.48
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Solution
The fourth proportional to 1,029,974,685.24, 1,421,321,815.80 and 583,968,060.48 is: 805,851,401.97
Step by Step Solution
- Step 1: Write the proportion equation
1,029,974,685.24 : 1,421,321,815.80 = 583,968,060.48 : x - Step 2: Convert to fraction form
1,029,974,685.24/1,421,321,815.80 = 583,968,060.48/x - Step 3: Cross multiply
1,029,974,685.24x = 1,421,321,815.80 × 583,968,060.48 - Step 4: Simplify right side
1,029,974,685.24x = 830,006,544,090,637,824 - Step 5: Solve for x
x = 830,006,544,090,637,824/1,029,974,685.24 - Step 6: Final answer
x = 805,851,401.97
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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.