Finding the Fourth Proportional to 592,708,887.78, 817,937,626.16 and 324,791,253.09
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Solution
The fourth proportional to 592,708,887.78, 817,937,626.16 and 324,791,253.09 is: 448,211,579.12
Step by Step Solution
- Step 1: Write the proportion equation
592,708,887.78 : 817,937,626.16 = 324,791,253.09 : x - Step 2: Convert to fraction form
592,708,887.78/817,937,626.16 = 324,791,253.09/x - Step 3: Cross multiply
592,708,887.78x = 817,937,626.16 × 324,791,253.09 - Step 4: Simplify right side
592,708,887.78x = 265,658,986,548,342,368 - Step 5: Solve for x
x = 265,658,986,548,342,368/592,708,887.78 - Step 6: Final answer
x = 448,211,579.12
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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.