Finding the Fourth Proportional to 477,644,384.84, 659,176,379.72 and 286,963,726.44
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Solution
The fourth proportional to 477,644,384.84, 659,176,379.72 and 286,963,726.44 is: 396,026,241.09
Step by Step Solution
- Step 1: Write the proportion equation
477,644,384.84 : 659,176,379.72 = 286,963,726.44 : x - Step 2: Convert to fraction form
477,644,384.84/659,176,379.72 = 286,963,726.44/x - Step 3: Cross multiply
477,644,384.84x = 659,176,379.72 × 286,963,726.44 - Step 4: Simplify right side
477,644,384.84x = 189,159,710,305,679,648 - Step 5: Solve for x
x = 189,159,710,305,679,648/477,644,384.84 - Step 6: Final answer
x = 396,026,241.09
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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.