Finding the Fourth Proportional to 319,006,340.19, 440,217,865.74 and 175,957,772.07
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Solution
The fourth proportional to 319,006,340.19, 440,217,865.74 and 175,957,772.07 is: 242,815,722.20
Step by Step Solution
- Step 1: Write the proportion equation
319,006,340.19 : 440,217,865.74 = 175,957,772.07 : x - Step 2: Convert to fraction form
319,006,340.19/440,217,865.74 = 175,957,772.07/x - Step 3: Cross multiply
319,006,340.19x = 440,217,865.74 × 175,957,772.07 - Step 4: Simplify right side
319,006,340.19x = 77,459,754,881,020,784 - Step 5: Solve for x
x = 77,459,754,881,020,784/319,006,340.19 - Step 6: Final answer
x = 242,815,722.20
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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.