Finding the Fourth Proportional to 7,779,817,888.04, 11,663,187,450.55 and 6,302,293,613.21
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Solution
The fourth proportional to 7,779,817,888.04, 11,663,187,450.55 and 6,302,293,613.21 is: 9,448,142,981.89
Step by Step Solution
- Step 1: Write the proportion equation
7,779,817,888.04 : 11,663,187,450.55 = 6,302,293,613.21 : x - Step 2: Convert to fraction form
7,779,817,888.04/11,663,187,450.55 = 6,302,293,613.21/x - Step 3: Cross multiply
7,779,817,888.04x = 11,663,187,450.55 × 6,302,293,613.21 - Step 4: Simplify right side
7,779,817,888.04x = 73,504,831,779,201,368,064 - Step 5: Solve for x
x = 73,504,831,779,201,368,064/7,779,817,888.04 - Step 6: Final answer
x = 9,448,142,981.89
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1.5x scale
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.