Finding the Fourth Proportional to 557,230,037.08, 768,931,742.99 and 328,048,434.98
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Solution
The fourth proportional to 557,230,037.08, 768,931,742.99 and 328,048,434.98 is: 452,679,931.28
Step by Step Solution
- Step 1: Write the proportion equation
557,230,037.08 : 768,931,742.99 = 328,048,434.98 : x - Step 2: Convert to fraction form
557,230,037.08/768,931,742.99 = 328,048,434.98/x - Step 3: Cross multiply
557,230,037.08x = 768,931,742.99 × 328,048,434.98 - Step 4: Simplify right side
557,230,037.08x = 252,246,854,894,313,088 - Step 5: Solve for x
x = 252,246,854,894,313,088/557,230,037.08 - Step 6: Final answer
x = 452,679,931.28
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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.