Finding the Fourth Proportional to 977,473,621.80, 1,466,210,432.70 and 977,473,621.80
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Solution
The fourth proportional to 977,473,621.80, 1,466,210,432.70 and 977,473,621.80 is: 1,466,210,432.70
Step by Step Solution
- Step 1: Write the proportion equation
977,473,621.80 : 1,466,210,432.70 = 977,473,621.80 : x - Step 2: Convert to fraction form
977,473,621.80/1,466,210,432.70 = 977,473,621.80/x - Step 3: Cross multiply
977,473,621.80x = 1,466,210,432.70 × 977,473,621.80 - Step 4: Simplify right side
977,473,621.80x = 1,433,182,021,972,214,016 - Step 5: Solve for x
x = 1,433,182,021,972,214,016/977,473,621.80 - Step 6: Final answer
x = 1,466,210,432.70
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1.5x scale
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.