Finding the Fourth Proportional to 474,938,634.12, 712,497,445.95 and 179,922,116.84
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Solution
The fourth proportional to 474,938,634.12, 712,497,445.95 and 179,922,116.84 is: 269,917,078.77
Step by Step Solution
- Step 1: Write the proportion equation
474,938,634.12 : 712,497,445.95 = 179,922,116.84 : x - Step 2: Convert to fraction form
474,938,634.12/712,497,445.95 = 179,922,116.84/x - Step 3: Cross multiply
474,938,634.12x = 712,497,445.95 × 179,922,116.84 - Step 4: Simplify right side
474,938,634.12x = 128,194,048,718,417,488 - Step 5: Solve for x
x = 128,194,048,718,417,488/474,938,634.12 - Step 6: Final answer
x = 269,917,078.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.