Finding the Fourth Proportional to 2,129,609,871.36, 2,938,357,771.20 and 1,237,006,296
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Solution
The fourth proportional to 2,129,609,871.36, 2,938,357,771.20 and 1,237,006,296 is: 1,706,776,021.17
Step by Step Solution
- Step 1: Write the proportion equation
2,129,609,871.36 : 2,938,357,771.20 = 1,237,006,296 : x - Step 2: Convert to fraction form
2,129,609,871.36/2,938,357,771.20 = 1,237,006,296/x - Step 3: Cross multiply
2,129,609,871.36x = 2,938,357,771.20 × 1,237,006,296 - Step 4: Simplify right side
2,129,609,871.36x = 3,634,767,062,874,927,104 - Step 5: Solve for x
x = 3,634,767,062,874,927,104/2,129,609,871.36 - Step 6: Final answer
x = 1,706,776,021.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.