Finding the Fourth Proportional to 1,367,818,437.04, 1,888,516,033.56 and 866,472,120.74
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Solution
The fourth proportional to 1,367,818,437.04, 1,888,516,033.56 and 866,472,120.74 is: 1,196,318,493.99
Step by Step Solution
- Step 1: Write the proportion equation
1,367,818,437.04 : 1,888,516,033.56 = 866,472,120.74 : x - Step 2: Convert to fraction form
1,367,818,437.04/1,888,516,033.56 = 866,472,120.74/x - Step 3: Cross multiply
1,367,818,437.04x = 1,888,516,033.56 × 866,472,120.74 - Step 4: Simplify right side
1,367,818,437.04x = 1,636,346,492,654,947,328 - Step 5: Solve for x
x = 1,636,346,492,654,947,328/1,367,818,437.04 - Step 6: Final answer
x = 1,196,318,493.99
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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.