Finding the Fourth Proportional to 977,908,216.80, 1,466,358,440.40 and 364,176,530.40
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Solution
The fourth proportional to 977,908,216.80, 1,466,358,440.40 and 364,176,530.40 is: 546,077,147.09
Step by Step Solution
- Step 1: Write the proportion equation
977,908,216.80 : 1,466,358,440.40 = 364,176,530.40 : x - Step 2: Convert to fraction form
977,908,216.80/1,466,358,440.40 = 364,176,530.40/x - Step 3: Cross multiply
977,908,216.80x = 1,466,358,440.40 × 364,176,530.40 - Step 4: Simplify right side
977,908,216.80x = 534,013,329,147,627,200 - Step 5: Solve for x
x = 534,013,329,147,627,200/977,908,216.80 - Step 6: Final answer
x = 546,077,147.09
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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.