Finding the Fourth Proportional to 970,205,384.40, 1,455,307,910.48 and 306,685,186.08
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Solution
The fourth proportional to 970,205,384.40, 1,455,307,910.48 and 306,685,186.08 is: 460,027,726.61
Step by Step Solution
- Step 1: Write the proportion equation
970,205,384.40 : 1,455,307,910.48 = 306,685,186.08 : x - Step 2: Convert to fraction form
970,205,384.40/1,455,307,910.48 = 306,685,186.08/x - Step 3: Cross multiply
970,205,384.40x = 1,455,307,910.48 × 306,685,186.08 - Step 4: Simplify right side
970,205,384.40x = 446,321,377,329,254,784 - Step 5: Solve for x
x = 446,321,377,329,254,784/970,205,384.40 - Step 6: Final answer
x = 460,027,726.61
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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.