Finding the Fourth Proportional to 1,104,758,485.84, 1,657,356,031.68 and 405,257,118.18
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Solution
The fourth proportional to 1,104,758,485.84, 1,657,356,031.68 and 405,257,118.18 is: 607,965,757.05
Step by Step Solution
- Step 1: Write the proportion equation
1,104,758,485.84 : 1,657,356,031.68 = 405,257,118.18 : x - Step 2: Convert to fraction form
1,104,758,485.84/1,657,356,031.68 = 405,257,118.18/x - Step 3: Cross multiply
1,104,758,485.84x = 1,657,356,031.68 × 405,257,118.18 - Step 4: Simplify right side
1,104,758,485.84x = 671,655,329,196,877,568 - Step 5: Solve for x
x = 671,655,329,196,877,568/1,104,758,485.84 - Step 6: Final answer
x = 607,965,757.05
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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.