Finding the Fourth Proportional to 8,779,830,731.99, 13,167,637,403.21 and 4,053,611,690.16
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Solution
The fourth proportional to 8,779,830,731.99, 13,167,637,403.21 and 4,053,611,690.16 is: 6,079,443,959.55
Step by Step Solution
- Step 1: Write the proportion equation
8,779,830,731.99 : 13,167,637,403.21 = 4,053,611,690.16 : x - Step 2: Convert to fraction form
8,779,830,731.99/13,167,637,403.21 = 4,053,611,690.16/x - Step 3: Cross multiply
8,779,830,731.99x = 13,167,637,403.21 × 4,053,611,690.16 - Step 4: Simplify right side
8,779,830,731.99x = 53,376,488,909,440,114,688 - Step 5: Solve for x
x = 53,376,488,909,440,114,688/8,779,830,731.99 - Step 6: Final answer
x = 6,079,443,959.55
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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.