Finding the Fourth Proportional to 783,206,994.97, 1,174,944,334.69 and 322,893,533.53
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Solution
The fourth proportional to 783,206,994.97, 1,174,944,334.69 and 322,893,533.53 is: 484,395,479.56
Step by Step Solution
- Step 1: Write the proportion equation
783,206,994.97 : 1,174,944,334.69 = 322,893,533.53 : x - Step 2: Convert to fraction form
783,206,994.97/1,174,944,334.69 = 322,893,533.53/x - Step 3: Cross multiply
783,206,994.97x = 1,174,944,334.69 × 322,893,533.53 - Step 4: Simplify right side
783,206,994.97x = 379,381,927,924,382,528 - Step 5: Solve for x
x = 379,381,927,924,382,528/783,206,994.97 - Step 6: Final answer
x = 484,395,479.56
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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.