Finding the Fourth Proportional to 1,551,677,903.80, 2,327,516,855.70 and 814,462,948.60
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Solution
The fourth proportional to 1,551,677,903.80, 2,327,516,855.70 and 814,462,948.60 is: 1,221,694,422.90
Step by Step Solution
- Step 1: Write the proportion equation
1,551,677,903.80 : 2,327,516,855.70 = 814,462,948.60 : x - Step 2: Convert to fraction form
1,551,677,903.80/2,327,516,855.70 = 814,462,948.60/x - Step 3: Cross multiply
1,551,677,903.80x = 2,327,516,855.70 × 814,462,948.60 - Step 4: Simplify right side
1,551,677,903.80x = 1,895,676,241,209,622,528 - Step 5: Solve for x
x = 1,895,676,241,209,622,528/1,551,677,903.80 - Step 6: Final answer
x = 1,221,694,422.90
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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.