Finding the Fourth Proportional to 1,392,972,758,957.30, 2,088,487,679,341.40 and 617,203,081,183.20
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Solution
The fourth proportional to 1,392,972,758,957.30, 2,088,487,679,341.40 and 617,203,081,183.20 is: 925,374,184,393.64
Step by Step Solution
- Step 1: Write the proportion equation
1,392,972,758,957.30 : 2,088,487,679,341.40 = 617,203,081,183.20 : x - Step 2: Convert to fraction form
1,392,972,758,957.30/2,088,487,679,341.40 = 617,203,081,183.20/x - Step 3: Cross multiply
1,392,972,758,957.30x = 2,088,487,679,341.40 × 617,203,081,183.20 - Step 4: Simplify right side
1,392,972,758,957.30x = 1,289,021,030,702,662,855,688,192 - Step 5: Solve for x
x = 1,289,021,030,702,662,855,688,192/1,392,972,758,957.30 - Step 6: Final answer
x = 925,374,184,393.64
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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.