Finding the Fourth Proportional to 1,623,973,360.46, 2,240,699,137.03 and 919,125,341.87
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Solution
The fourth proportional to 1,623,973,360.46, 2,240,699,137.03 and 919,125,341.87 is: 1,268,175,581.26
Step by Step Solution
- Step 1: Write the proportion equation
1,623,973,360.46 : 2,240,699,137.03 = 919,125,341.87 : x - Step 2: Convert to fraction form
1,623,973,360.46/2,240,699,137.03 = 919,125,341.87/x - Step 3: Cross multiply
1,623,973,360.46x = 2,240,699,137.03 × 919,125,341.87 - Step 4: Simplify right side
1,623,973,360.46x = 2,059,483,360,357,217,280 - Step 5: Solve for x
x = 2,059,483,360,357,217,280/1,623,973,360.46 - Step 6: Final answer
x = 1,268,175,581.26
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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.