Finding the Fourth Proportional to 472,693,642.68, 652,426,067.62 and 277,186,340.28
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Solution
The fourth proportional to 472,693,642.68, 652,426,067.62 and 277,186,340.28 is: 382,580,973.51
Step by Step Solution
- Step 1: Write the proportion equation
472,693,642.68 : 652,426,067.62 = 277,186,340.28 : x - Step 2: Convert to fraction form
472,693,642.68/652,426,067.62 = 277,186,340.28/x - Step 3: Cross multiply
472,693,642.68x = 652,426,067.62 × 277,186,340.28 - Step 4: Simplify right side
472,693,642.68x = 180,843,593,986,859,584 - Step 5: Solve for x
x = 180,843,593,986,859,584/472,693,642.68 - Step 6: Final answer
x = 382,580,973.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.