Finding the Fourth Proportional to 435,702,278.74, 653,553,018.79 and 136,573,356.05
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Solution
The fourth proportional to 435,702,278.74, 653,553,018.79 and 136,573,356.05 is: 204,859,908.91
Step by Step Solution
- Step 1: Write the proportion equation
435,702,278.74 : 653,553,018.79 = 136,573,356.05 : x - Step 2: Convert to fraction form
435,702,278.74/653,553,018.79 = 136,573,356.05/x - Step 3: Cross multiply
435,702,278.74x = 653,553,018.79 × 136,573,356.05 - Step 4: Simplify right side
435,702,278.74x = 89,257,929,132,076,144 - Step 5: Solve for x
x = 89,257,929,132,076,144/435,702,278.74 - Step 6: Final answer
x = 204,859,908.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.