Finding the Fourth Proportional to 6,787,113,919.02, 9,366,070,329.66 and 3,929,376,628.68
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Solution
The fourth proportional to 6,787,113,919.02, 9,366,070,329.66 and 3,929,376,628.68 is: 5,422,454,712.72
Step by Step Solution
- Step 1: Write the proportion equation
6,787,113,919.02 : 9,366,070,329.66 = 3,929,376,628.68 : x - Step 2: Convert to fraction form
6,787,113,919.02/9,366,070,329.66 = 3,929,376,628.68/x - Step 3: Cross multiply
6,787,113,919.02x = 9,366,070,329.66 × 3,929,376,628.68 - Step 4: Simplify right side
6,787,113,919.02x = 36,802,817,855,939,186,688 - Step 5: Solve for x
x = 36,802,817,855,939,186,688/6,787,113,919.02 - Step 6: Final answer
x = 5,422,454,712.72
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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.