Finding the Fourth Proportional to 558,889,476.30, 838,334,214.45 and 555,063,101.10
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Solution
The fourth proportional to 558,889,476.30, 838,334,214.45 and 555,063,101.10 is: 832,594,651.65
Step by Step Solution
- Step 1: Write the proportion equation
558,889,476.30 : 838,334,214.45 = 555,063,101.10 : x - Step 2: Convert to fraction form
558,889,476.30/838,334,214.45 = 555,063,101.10/x - Step 3: Cross multiply
558,889,476.30x = 838,334,214.45 × 555,063,101.10 - Step 4: Simplify right side
558,889,476.30x = 465,328,388,830,849,472 - Step 5: Solve for x
x = 465,328,388,830,849,472/558,889,476.30 - Step 6: Final answer
x = 832,594,651.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.