Finding the Fourth Proportional to 1,475,119,630.80, 2,212,679,446.20 and 740,455,592.40
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Solution
The fourth proportional to 1,475,119,630.80, 2,212,679,446.20 and 740,455,592.40 is: 1,110,683,388.60
Step by Step Solution
- Step 1: Write the proportion equation
1,475,119,630.80 : 2,212,679,446.20 = 740,455,592.40 : x - Step 2: Convert to fraction form
1,475,119,630.80/2,212,679,446.20 = 740,455,592.40/x - Step 3: Cross multiply
1,475,119,630.80x = 2,212,679,446.20 × 740,455,592.40 - Step 4: Simplify right side
1,475,119,630.80x = 1,638,390,870,127,324,672 - Step 5: Solve for x
x = 1,638,390,870,127,324,672/1,475,119,630.80 - Step 6: Final answer
x = 1,110,683,388.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.