Finding the Fourth Proportional to 4,654,364,844.84, 6,423,159,756.21 and 2,539,957,074.71
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Solution
The fourth proportional to 4,654,364,844.84, 6,423,159,756.21 and 2,539,957,074.71 is: 3,505,215,127.87
Step by Step Solution
- Step 1: Write the proportion equation
4,654,364,844.84 : 6,423,159,756.21 = 2,539,957,074.71 : x - Step 2: Convert to fraction form
4,654,364,844.84/6,423,159,756.21 = 2,539,957,074.71/x - Step 3: Cross multiply
4,654,364,844.84x = 6,423,159,756.21 × 2,539,957,074.71 - Step 4: Simplify right side
4,654,364,844.84x = 16,314,550,064,768,452,608 - Step 5: Solve for x
x = 16,314,550,064,768,452,608/4,654,364,844.84 - Step 6: Final answer
x = 3,505,215,127.87
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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.