Finding the Fourth Proportional to 1,203,367,813.04, 1,805,212,337.76 and 476,186,463.92
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Solution
The fourth proportional to 1,203,367,813.04, 1,805,212,337.76 and 476,186,463.92 is: 714,343,254.35
Step by Step Solution
- Step 1: Write the proportion equation
1,203,367,813.04 : 1,805,212,337.76 = 476,186,463.92 : x - Step 2: Convert to fraction form
1,203,367,813.04/1,805,212,337.76 = 476,186,463.92/x - Step 3: Cross multiply
1,203,367,813.04x = 1,805,212,337.76 × 476,186,463.92 - Step 4: Simplify right side
1,203,367,813.04x = 859,617,679,742,691,072 - Step 5: Solve for x
x = 859,617,679,742,691,072/1,203,367,813.04 - Step 6: Final answer
x = 714,343,254.35
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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.