Finding the Fourth Proportional to 1,117,725,239.04, 1,674,734,396.31 and 679,700,938.02
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Solution
The fourth proportional to 1,117,725,239.04, 1,674,734,396.31 and 679,700,938.02 is: 1,018,424,296.37
Step by Step Solution
- Step 1: Write the proportion equation
1,117,725,239.04 : 1,674,734,396.31 = 679,700,938.02 : x - Step 2: Convert to fraction form
1,117,725,239.04/1,674,734,396.31 = 679,700,938.02/x - Step 3: Cross multiply
1,117,725,239.04x = 1,674,734,396.31 × 679,700,938.02 - Step 4: Simplify right side
1,117,725,239.04x = 1,138,318,540,106,265,344 - Step 5: Solve for x
x = 1,138,318,540,106,265,344/1,117,725,239.04 - Step 6: Final answer
x = 1,018,424,296.37
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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.