Finding the Fourth Proportional to 6,462,575,711.84, 8,917,970,130.32 and 3,749,633,348.96
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Solution
The fourth proportional to 6,462,575,711.84, 8,917,970,130.32 and 3,749,633,348.96 is: 5,174,271,017.73
Step by Step Solution
- Step 1: Write the proportion equation
6,462,575,711.84 : 8,917,970,130.32 = 3,749,633,348.96 : x - Step 2: Convert to fraction form
6,462,575,711.84/8,917,970,130.32 = 3,749,633,348.96/x - Step 3: Cross multiply
6,462,575,711.84x = 8,917,970,130.32 × 3,749,633,348.96 - Step 4: Simplify right side
6,462,575,711.84x = 33,439,118,205,677,027,328 - Step 5: Solve for x
x = 33,439,118,205,677,027,328/6,462,575,711.84 - Step 6: Final answer
x = 5,174,271,017.73
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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.