Finding the Fourth Proportional to 558,974,159.46, 771,387,399.36 and 324,164,038.68
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Solution
The fourth proportional to 558,974,159.46, 771,387,399.36 and 324,164,038.68 is: 447,348,147.55
Step by Step Solution
- Step 1: Write the proportion equation
558,974,159.46 : 771,387,399.36 = 324,164,038.68 : x - Step 2: Convert to fraction form
558,974,159.46/771,387,399.36 = 324,164,038.68/x - Step 3: Cross multiply
558,974,159.46x = 771,387,399.36 × 324,164,038.68 - Step 4: Simplify right side
558,974,159.46x = 250,056,054,763,399,648 - Step 5: Solve for x
x = 250,056,054,763,399,648/558,974,159.46 - Step 6: Final answer
x = 447,348,147.55
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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.