Finding the Fourth Proportional to 4,905,017,547.12, 6,767,913,758.04 and 2,818,531,367.28
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Solution
The fourth proportional to 4,905,017,547.12, 6,767,913,758.04 and 2,818,531,367.28 is: 3,888,992,655.96
Step by Step Solution
- Step 1: Write the proportion equation
4,905,017,547.12 : 6,767,913,758.04 = 2,818,531,367.28 : x - Step 2: Convert to fraction form
4,905,017,547.12/6,767,913,758.04 = 2,818,531,367.28/x - Step 3: Cross multiply
4,905,017,547.12x = 6,767,913,758.04 × 2,818,531,367.28 - Step 4: Simplify right side
4,905,017,547.12x = 19,075,577,218,081,603,584 - Step 5: Solve for x
x = 19,075,577,218,081,603,584/4,905,017,547.12 - Step 6: Final answer
x = 3,888,992,655.96
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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.