Finding the Fourth Proportional to 814,822,805.36, 1,124,482,602.20 and 457,653,427.28
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Solution
The fourth proportional to 814,822,805.36, 1,124,482,602.20 and 457,653,427.28 is: 631,576,967.94
Step by Step Solution
- Step 1: Write the proportion equation
814,822,805.36 : 1,124,482,602.20 = 457,653,427.28 : x - Step 2: Convert to fraction form
814,822,805.36/1,124,482,602.20 = 457,653,427.28/x - Step 3: Cross multiply
814,822,805.36x = 1,124,482,602.20 × 457,653,427.28 - Step 4: Simplify right side
814,822,805.36x = 514,623,316,817,518,272 - Step 5: Solve for x
x = 514,623,316,817,518,272/814,822,805.36 - Step 6: Final answer
x = 631,576,967.94
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1.5x scale
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.