Finding the Fourth Proportional to 468,488,283.84, 646,513,891.92 and 259,657,908.48
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Solution
The fourth proportional to 468,488,283.84, 646,513,891.92 and 259,657,908.48 is: 358,327,947.08
Step by Step Solution
- Step 1: Write the proportion equation
468,488,283.84 : 646,513,891.92 = 259,657,908.48 : x - Step 2: Convert to fraction form
468,488,283.84/646,513,891.92 = 259,657,908.48/x - Step 3: Cross multiply
468,488,283.84x = 646,513,891.92 × 259,657,908.48 - Step 4: Simplify right side
468,488,283.84x = 167,872,444,979,211,968 - Step 5: Solve for x
x = 167,872,444,979,211,968/468,488,283.84 - Step 6: Final answer
x = 358,327,947.08
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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.