Finding the Fourth Proportional to 1,703,657,281.68, 2,351,048,616.36 and 921,376,129.68
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Solution
The fourth proportional to 1,703,657,281.68, 2,351,048,616.36 and 921,376,129.68 is: 1,271,499,906.77
Step by Step Solution
- Step 1: Write the proportion equation
1,703,657,281.68 : 2,351,048,616.36 = 921,376,129.68 : x - Step 2: Convert to fraction form
1,703,657,281.68/2,351,048,616.36 = 921,376,129.68/x - Step 3: Cross multiply
1,703,657,281.68x = 2,351,048,616.36 × 921,376,129.68 - Step 4: Simplify right side
1,703,657,281.68x = 2,166,200,074,831,296,000 - Step 5: Solve for x
x = 2,166,200,074,831,296,000/1,703,657,281.68 - Step 6: Final answer
x = 1,271,499,906.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.