Finding the Fourth Proportional to 518,012,036,296.08, 714,808,637,053.47 and 286,520,573,243.40
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Solution
The fourth proportional to 518,012,036,296.08, 714,808,637,053.47 and 286,520,573,243.40 is: 395,371,856,438.55
Step by Step Solution
- Step 1: Write the proportion equation
518,012,036,296.08 : 714,808,637,053.47 = 286,520,573,243.40 : x - Step 2: Convert to fraction form
518,012,036,296.08/714,808,637,053.47 = 286,520,573,243.40/x - Step 3: Cross multiply
518,012,036,296.08x = 714,808,637,053.47 × 286,520,573,243.40 - Step 4: Simplify right side
518,012,036,296.08x = 204,807,380,447,893,678,718,976 - Step 5: Solve for x
x = 204,807,380,447,893,678,718,976/518,012,036,296.08 - Step 6: Final answer
x = 395,371,856,438.55
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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.