Finding the Fourth Proportional to 1,611,938,368.80, 2,417,907,553.20 and 590,599,130.40
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Solution
The fourth proportional to 1,611,938,368.80, 2,417,907,553.20 and 590,599,130.40 is: 885,898,695.60
Step by Step Solution
- Step 1: Write the proportion equation
1,611,938,368.80 : 2,417,907,553.20 = 590,599,130.40 : x - Step 2: Convert to fraction form
1,611,938,368.80/2,417,907,553.20 = 590,599,130.40/x - Step 3: Cross multiply
1,611,938,368.80x = 2,417,907,553.20 × 590,599,130.40 - Step 4: Simplify right side
1,611,938,368.80x = 1,428,014,098,307,511,552 - Step 5: Solve for x
x = 1,428,014,098,307,511,552/1,611,938,368.80 - Step 6: Final answer
x = 885,898,695.60
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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.