Finding the Fourth Proportional to 411,926,245.76, 567,917,296.28 and 297,257,407.28
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Solution
The fourth proportional to 411,926,245.76, 567,917,296.28 and 297,257,407.28 is: 409,824,877.10
Step by Step Solution
- Step 1: Write the proportion equation
411,926,245.76 : 567,917,296.28 = 297,257,407.28 : x - Step 2: Convert to fraction form
411,926,245.76/567,917,296.28 = 297,257,407.28/x - Step 3: Cross multiply
411,926,245.76x = 567,917,296.28 × 297,257,407.28 - Step 4: Simplify right side
411,926,245.76x = 168,817,623,041,660,352 - Step 5: Solve for x
x = 168,817,623,041,660,352/411,926,245.76 - Step 6: Final answer
x = 409,824,877.10
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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.