Finding the Fourth Proportional to 280,961,598,412.17, 387,716,973,894.27 and 159,023,714,800.71
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Solution
The fourth proportional to 280,961,598,412.17, 387,716,973,894.27 and 159,023,714,800.71 is: 219,447,048,380.99
Step by Step Solution
- Step 1: Write the proportion equation
280,961,598,412.17 : 387,716,973,894.27 = 159,023,714,800.71 : x - Step 2: Convert to fraction form
280,961,598,412.17/387,716,973,894.27 = 159,023,714,800.71/x - Step 3: Cross multiply
280,961,598,412.17x = 387,716,973,894.27 × 159,023,714,800.71 - Step 4: Simplify right side
280,961,598,412.17x = 61,656,193,479,956,714,487,808 - Step 5: Solve for x
x = 61,656,193,479,956,714,487,808/280,961,598,412.17 - Step 6: Final answer
x = 219,447,048,380.99
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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.