Finding the Fourth Proportional to 1,734,769,853.40, 2,391,670,204.64 and 1,378,726,526.76
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Solution
The fourth proportional to 1,734,769,853.40, 2,391,670,204.64 and 1,378,726,526.76 is: 1,900,804,967.26
Step by Step Solution
- Step 1: Write the proportion equation
1,734,769,853.40 : 2,391,670,204.64 = 1,378,726,526.76 : x - Step 2: Convert to fraction form
1,734,769,853.40/2,391,670,204.64 = 1,378,726,526.76/x - Step 3: Cross multiply
1,734,769,853.40x = 2,391,670,204.64 × 1,378,726,526.76 - Step 4: Simplify right side
1,734,769,853.40x = 3,297,459,154,398,685,184 - Step 5: Solve for x
x = 3,297,459,154,398,685,184/1,734,769,853.40 - Step 6: Final answer
x = 1,900,804,967.26
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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.