Finding the Fourth Proportional to 7,641,843,477,272.40, 11,464,375,312,578 and 2,478,285,869,558.70
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Solution
The fourth proportional to 7,641,843,477,272.40, 11,464,375,312,578 and 2,478,285,869,558.70 is: 3,717,950,966,279.25
Step by Step Solution
- Step 1: Write the proportion equation
7,641,843,477,272.40 : 11,464,375,312,578 = 2,478,285,869,558.70 : x - Step 2: Convert to fraction form
7,641,843,477,272.40/11,464,375,312,578 = 2,478,285,869,558.70/x - Step 3: Cross multiply
7,641,843,477,272.40x = 11,464,375,312,578 × 2,478,285,869,558.70 - Step 4: Simplify right side
7,641,843,477,272.40x = 28,411,999,340,479,665,877,811,200 - Step 5: Solve for x
x = 28,411,999,340,479,665,877,811,200/7,641,843,477,272.40 - Step 6: Final answer
x = 3,717,950,966,279.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.