Finding the Fourth Proportional to 2,188,918,972.68, 3,286,654,792.65 and 1,894,726,521.12
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Solution
The fourth proportional to 2,188,918,972.68, 3,286,654,792.65 and 1,894,726,521.12 is: 2,844,925,773.46
Step by Step Solution
- Step 1: Write the proportion equation
2,188,918,972.68 : 3,286,654,792.65 = 1,894,726,521.12 : x - Step 2: Convert to fraction form
2,188,918,972.68/3,286,654,792.65 = 1,894,726,521.12/x - Step 3: Cross multiply
2,188,918,972.68x = 3,286,654,792.65 × 1,894,726,521.12 - Step 4: Simplify right side
2,188,918,972.68x = 6,227,312,001,400,109,056 - Step 5: Solve for x
x = 6,227,312,001,400,109,056/2,188,918,972.68 - Step 6: Final answer
x = 2,844,925,773.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.