Finding the Fourth Proportional to 351,358,406.34, 523,896,372.56 and 341,705,053.26
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Solution
The fourth proportional to 351,358,406.34, 523,896,372.56 and 341,705,053.26 is: 509,502,646.47
Step by Step Solution
- Step 1: Write the proportion equation
351,358,406.34 : 523,896,372.56 = 341,705,053.26 : x - Step 2: Convert to fraction form
351,358,406.34/523,896,372.56 = 341,705,053.26/x - Step 3: Cross multiply
351,358,406.34x = 523,896,372.56 × 341,705,053.26 - Step 4: Simplify right side
351,358,406.34x = 179,018,037,888,335,584 - Step 5: Solve for x
x = 179,018,037,888,335,584/351,358,406.34 - Step 6: Final answer
x = 509,502,646.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.