Finding the Fourth Proportional to 4,293,365,113.58, 6,440,128,376.06 and 1,345,579,467.93
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Solution
The fourth proportional to 4,293,365,113.58, 6,440,128,376.06 and 1,345,579,467.93 is: 2,018,394,495.79
Step by Step Solution
- Step 1: Write the proportion equation
4,293,365,113.58 : 6,440,128,376.06 = 1,345,579,467.93 : x - Step 2: Convert to fraction form
4,293,365,113.58/6,440,128,376.06 = 1,345,579,467.93/x - Step 3: Cross multiply
4,293,365,113.58x = 6,440,128,376.06 × 1,345,579,467.93 - Step 4: Simplify right side
4,293,365,113.58x = 8,665,704,513,663,074,304 - Step 5: Solve for x
x = 8,665,704,513,663,074,304/4,293,365,113.58 - Step 6: Final answer
x = 2,018,394,495.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.