Finding the Fourth Proportional to 783,207,000.96, 1,174,944,343.68 and 322,893,539.52
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Solution
The fourth proportional to 783,207,000.96, 1,174,944,343.68 and 322,893,539.52 is: 484,395,488.56
Step by Step Solution
- Step 1: Write the proportion equation
783,207,000.96 : 1,174,944,343.68 = 322,893,539.52 : x - Step 2: Convert to fraction form
783,207,000.96/1,174,944,343.68 = 322,893,539.52/x - Step 3: Cross multiply
783,207,000.96x = 1,174,944,343.68 × 322,893,539.52 - Step 4: Simplify right side
783,207,000.96x = 379,381,937,869,838,528 - Step 5: Solve for x
x = 379,381,937,869,838,528/783,207,000.96 - Step 6: Final answer
x = 484,395,488.56
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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.