Finding the Fourth Proportional to 411,926,235.15, 567,917,281.65 and 297,257,396.70
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Solution
The fourth proportional to 411,926,235.15, 567,917,281.65 and 297,257,396.70 is: 409,824,862.51
Step by Step Solution
- Step 1: Write the proportion equation
411,926,235.15 : 567,917,281.65 = 297,257,396.70 : x - Step 2: Convert to fraction form
411,926,235.15/567,917,281.65 = 297,257,396.70/x - Step 3: Cross multiply
411,926,235.15x = 567,917,281.65 × 297,257,396.70 - Step 4: Simplify right side
411,926,235.15x = 168,817,612,684,219,680 - Step 5: Solve for x
x = 168,817,612,684,219,680/411,926,235.15 - Step 6: Final answer
x = 409,824,862.51
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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.