Finding the Fourth Proportional to 288,644,603.96, 432,966,897.57 and 133,152,406.80
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Solution
The fourth proportional to 288,644,603.96, 432,966,897.57 and 133,152,406.80 is: 199,728,606.34
Step by Step Solution
- Step 1: Write the proportion equation
288,644,603.96 : 432,966,897.57 = 133,152,406.80 : x - Step 2: Convert to fraction form
288,644,603.96/432,966,897.57 = 133,152,406.80/x - Step 3: Cross multiply
288,644,603.96x = 432,966,897.57 × 133,152,406.80 - Step 4: Simplify right side
288,644,603.96x = 57,650,584,475,508,808 - Step 5: Solve for x
x = 57,650,584,475,508,808/288,644,603.96 - Step 6: Final answer
x = 199,728,606.34
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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.