Finding the Fourth Proportional to 5,535,417,364.65, 7,638,870,988.88 and 3,124,607,417.28
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Solution
The fourth proportional to 5,535,417,364.65, 7,638,870,988.88 and 3,124,607,417.28 is: 4,311,955,427.95
Step by Step Solution
- Step 1: Write the proportion equation
5,535,417,364.65 : 7,638,870,988.88 = 3,124,607,417.28 : x - Step 2: Convert to fraction form
5,535,417,364.65/7,638,870,988.88 = 3,124,607,417.28/x - Step 3: Cross multiply
5,535,417,364.65x = 7,638,870,988.88 × 3,124,607,417.28 - Step 4: Simplify right side
5,535,417,364.65x = 23,868,472,951,445,639,168 - Step 5: Solve for x
x = 23,868,472,951,445,639,168/5,535,417,364.65 - Step 6: Final answer
x = 4,311,955,427.95
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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.