Finding the Fourth Proportional to 922,088,730.08, 1,272,278,553.94 and 564,931,968.95
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Solution
The fourth proportional to 922,088,730.08, 1,272,278,553.94 and 564,931,968.95 is: 779,481,198.59
Step by Step Solution
- Step 1: Write the proportion equation
922,088,730.08 : 1,272,278,553.94 = 564,931,968.95 : x - Step 2: Convert to fraction form
922,088,730.08/1,272,278,553.94 = 564,931,968.95/x - Step 3: Cross multiply
922,088,730.08x = 1,272,278,553.94 × 564,931,968.95 - Step 4: Simplify right side
922,088,730.08x = 718,750,828,534,098,048 - Step 5: Solve for x
x = 718,750,828,534,098,048/922,088,730.08 - Step 6: Final answer
x = 779,481,198.59
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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.