Finding the Fourth Proportional to 690,092,032,618.84, 1,035,249,279,835.80 and 212,561,108,657.98
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Solution
The fourth proportional to 690,092,032,618.84, 1,035,249,279,835.80 and 212,561,108,657.98 is: 318,875,924,163.61
Step by Step Solution
- Step 1: Write the proportion equation
690,092,032,618.84 : 1,035,249,279,835.80 = 212,561,108,657.98 : x - Step 2: Convert to fraction form
690,092,032,618.84/1,035,249,279,835.80 = 212,561,108,657.98/x - Step 3: Cross multiply
690,092,032,618.84x = 1,035,249,279,835.80 × 212,561,108,657.98 - Step 4: Simplify right side
690,092,032,618.84x = 220,053,734,659,273,045,049,344 - Step 5: Solve for x
x = 220,053,734,659,273,045,049,344/690,092,032,618.84 - Step 6: Final answer
x = 318,875,924,163.61
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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.