Finding the Fourth Proportional to 1,607,818,637.36, 2,411,157,214.84 and 471,738,242.67
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Solution
The fourth proportional to 1,607,818,637.36, 2,411,157,214.84 and 471,738,242.67 is: 707,439,907.03
Step by Step Solution
- Step 1: Write the proportion equation
1,607,818,637.36 : 2,411,157,214.84 = 471,738,242.67 : x - Step 2: Convert to fraction form
1,607,818,637.36/2,411,157,214.84 = 471,738,242.67/x - Step 3: Cross multiply
1,607,818,637.36x = 2,411,157,214.84 × 471,738,242.67 - Step 4: Simplify right side
1,607,818,637.36x = 1,137,435,067,329,713,408 - Step 5: Solve for x
x = 1,137,435,067,329,713,408/1,607,818,637.36 - Step 6: Final answer
x = 707,439,907.03
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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.