Finding the Fourth Proportional to 1,536,024,572.60, 2,119,717,594.84 and 831,184,117.38
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Solution
The fourth proportional to 1,536,024,572.60, 2,119,717,594.84 and 831,184,117.38 is: 1,147,036,075.85
Step by Step Solution
- Step 1: Write the proportion equation
1,536,024,572.60 : 2,119,717,594.84 = 831,184,117.38 : x - Step 2: Convert to fraction form
1,536,024,572.60/2,119,717,594.84 = 831,184,117.38/x - Step 3: Cross multiply
1,536,024,572.60x = 2,119,717,594.84 × 831,184,117.38 - Step 4: Simplify right side
1,536,024,572.60x = 1,761,875,598,161,941,760 - Step 5: Solve for x
x = 1,761,875,598,161,941,760/1,536,024,572.60 - Step 6: Final answer
x = 1,147,036,075.85
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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.