Finding the Fourth Proportional to 427,637,442.84, 590,139,670.95 and 232,067,154.84
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Solution
The fourth proportional to 427,637,442.84, 590,139,670.95 and 232,067,154.84 is: 320,252,673.59
Step by Step Solution
- Step 1: Write the proportion equation
427,637,442.84 : 590,139,670.95 = 232,067,154.84 : x - Step 2: Convert to fraction form
427,637,442.84/590,139,670.95 = 232,067,154.84/x - Step 3: Cross multiply
427,637,442.84x = 590,139,670.95 × 232,067,154.84 - Step 4: Simplify right side
427,637,442.84x = 136,952,034,395,580,320 - Step 5: Solve for x
x = 136,952,034,395,580,320/427,637,442.84 - Step 6: Final answer
x = 320,252,673.59
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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.