Finding the Fourth Proportional to 1,006,426,013.36, 1,388,865,054.84 and 566,392,865.84
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Solution
The fourth proportional to 1,006,426,013.36, 1,388,865,054.84 and 566,392,865.84 is: 781,620,554.55
Step by Step Solution
- Step 1: Write the proportion equation
1,006,426,013.36 : 1,388,865,054.84 = 566,392,865.84 : x - Step 2: Convert to fraction form
1,006,426,013.36/1,388,865,054.84 = 566,392,865.84/x - Step 3: Cross multiply
1,006,426,013.36x = 1,388,865,054.84 × 566,392,865.84 - Step 4: Simplify right side
1,006,426,013.36x = 786,643,258,675,856,384 - Step 5: Solve for x
x = 786,643,258,675,856,384/1,006,426,013.36 - Step 6: Final answer
x = 781,620,554.55
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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.