Finding the Fourth Proportional to 1,058,860,649.58, 1,588,333,703.49 and 368,837,694.06
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Solution
The fourth proportional to 1,058,860,649.58, 1,588,333,703.49 and 368,837,694.06 is: 553,271,425.12
Step by Step Solution
- Step 1: Write the proportion equation
1,058,860,649.58 : 1,588,333,703.49 = 368,837,694.06 : x - Step 2: Convert to fraction form
1,058,860,649.58/1,588,333,703.49 = 368,837,694.06/x - Step 3: Cross multiply
1,058,860,649.58x = 1,588,333,703.49 × 368,837,694.06 - Step 4: Simplify right side
1,058,860,649.58x = 585,837,340,593,031,424 - Step 5: Solve for x
x = 585,837,340,593,031,424/1,058,860,649.58 - Step 6: Final answer
x = 553,271,425.12
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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.