Finding the Fourth Proportional to 1,911,359,860.29, 2,637,809,175.71 and 1,158,704,758.70
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Solution
The fourth proportional to 1,911,359,860.29, 2,637,809,175.71 and 1,158,704,758.70 is: 1,599,092,932.70
Step by Step Solution
- Step 1: Write the proportion equation
1,911,359,860.29 : 2,637,809,175.71 = 1,158,704,758.70 : x - Step 2: Convert to fraction form
1,911,359,860.29/2,637,809,175.71 = 1,158,704,758.70/x - Step 3: Cross multiply
1,911,359,860.29x = 2,637,809,175.71 × 1,158,704,758.70 - Step 4: Simplify right side
1,911,359,860.29x = 3,056,442,044,437,433,344 - Step 5: Solve for x
x = 3,056,442,044,437,433,344/1,911,359,860.29 - Step 6: Final answer
x = 1,599,092,932.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.