Finding the Fourth Proportional to 6,772,781,561.49, 9,344,329,943.49 and 3,913,882,246.35
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Solution
The fourth proportional to 6,772,781,561.49, 9,344,329,943.49 and 3,913,882,246.35 is: 5,399,938,967.15
Step by Step Solution
- Step 1: Write the proportion equation
6,772,781,561.49 : 9,344,329,943.49 = 3,913,882,246.35 : x - Step 2: Convert to fraction form
6,772,781,561.49/9,344,329,943.49 = 3,913,882,246.35/x - Step 3: Cross multiply
6,772,781,561.49x = 9,344,329,943.49 × 3,913,882,246.35 - Step 4: Simplify right side
6,772,781,561.49x = 36,572,607,069,862,207,488 - Step 5: Solve for x
x = 36,572,607,069,862,207,488/6,772,781,561.49 - Step 6: Final answer
x = 5,399,938,967.15
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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.