Finding the Fourth Proportional to 608,972,027.84, 840,382,228.44 and 330,513,555.36
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Solution
The fourth proportional to 608,972,027.84, 840,382,228.44 and 330,513,555.36 is: 456,109,156.88
Step by Step Solution
- Step 1: Write the proportion equation
608,972,027.84 : 840,382,228.44 = 330,513,555.36 : x - Step 2: Convert to fraction form
608,972,027.84/840,382,228.44 = 330,513,555.36/x - Step 3: Cross multiply
608,972,027.84x = 840,382,228.44 × 330,513,555.36 - Step 4: Simplify right side
608,972,027.84x = 277,757,718,183,064,128 - Step 5: Solve for x
x = 277,757,718,183,064,128/608,972,027.84 - Step 6: Final answer
x = 456,109,156.88
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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.