Finding the Fourth Proportional to 1,035,910,852.10, 1,553,866,278.15 and 709,393,501.70
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Solution
The fourth proportional to 1,035,910,852.10, 1,553,866,278.15 and 709,393,501.70 is: 1,064,090,252.55
Step by Step Solution
- Step 1: Write the proportion equation
1,035,910,852.10 : 1,553,866,278.15 = 709,393,501.70 : x - Step 2: Convert to fraction form
1,035,910,852.10/1,553,866,278.15 = 709,393,501.70/x - Step 3: Cross multiply
1,035,910,852.10x = 1,553,866,278.15 × 709,393,501.70 - Step 4: Simplify right side
1,035,910,852.10x = 1,102,302,640,230,374,784 - Step 5: Solve for x
x = 1,102,302,640,230,374,784/1,035,910,852.10 - Step 6: Final answer
x = 1,064,090,252.55
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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.