Finding the Fourth Proportional to 397,527,239.84, 596,563,237.04 and 138,742,460.03
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Solution
The fourth proportional to 397,527,239.84, 596,563,237.04 and 138,742,460.03 is: 208,208,753.45
Step by Step Solution
- Step 1: Write the proportion equation
397,527,239.84 : 596,563,237.04 = 138,742,460.03 : x - Step 2: Convert to fraction form
397,527,239.84/596,563,237.04 = 138,742,460.03/x - Step 3: Cross multiply
397,527,239.84x = 596,563,237.04 × 138,742,460.03 - Step 4: Simplify right side
397,527,239.84x = 82,768,651,067,753,664 - Step 5: Solve for x
x = 82,768,651,067,753,664/397,527,239.84 - Step 6: Final answer
x = 208,208,753.45
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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.