Finding the Fourth Proportional to 563,083,935.33, 777,101,846.99 and 312,266,878.05
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Solution
The fourth proportional to 563,083,935.33, 777,101,846.99 and 312,266,878.05 is: 430,953,810.72
Step by Step Solution
- Step 1: Write the proportion equation
563,083,935.33 : 777,101,846.99 = 312,266,878.05 : x - Step 2: Convert to fraction form
563,083,935.33/777,101,846.99 = 312,266,878.05/x - Step 3: Cross multiply
563,083,935.33x = 777,101,846.99 × 312,266,878.05 - Step 4: Simplify right side
563,083,935.33x = 242,663,167,684,894,784 - Step 5: Solve for x
x = 242,663,167,684,894,784/563,083,935.33 - Step 6: Final answer
x = 430,953,810.72
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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.