Finding the Fourth Proportional to 935,937,563.04, 1,291,578,063.84 and 518,240,877.84
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Solution
The fourth proportional to 935,937,563.04, 1,291,578,063.84 and 518,240,877.84 is: 715,163,677.62
Step by Step Solution
- Step 1: Write the proportion equation
935,937,563.04 : 1,291,578,063.84 = 518,240,877.84 : x - Step 2: Convert to fraction form
935,937,563.04/1,291,578,063.84 = 518,240,877.84/x - Step 3: Cross multiply
935,937,563.04x = 1,291,578,063.84 × 518,240,877.84 - Step 4: Simplify right side
935,937,563.04x = 669,348,549,603,329,024 - Step 5: Solve for x
x = 669,348,549,603,329,024/935,937,563.04 - Step 6: Final answer
x = 715,163,677.62
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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.