Finding the Fourth Proportional to 4,292,352,023.90, 6,438,528,035.85 and 4,171,419,671.90
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Solution
The fourth proportional to 4,292,352,023.90, 6,438,528,035.85 and 4,171,419,671.90 is: 6,257,129,507.85
Step by Step Solution
- Step 1: Write the proportion equation
4,292,352,023.90 : 6,438,528,035.85 = 4,171,419,671.90 : x - Step 2: Convert to fraction form
4,292,352,023.90/6,438,528,035.85 = 4,171,419,671.90/x - Step 3: Cross multiply
4,292,352,023.90x = 6,438,528,035.85 × 4,171,419,671.90 - Step 4: Simplify right side
4,292,352,023.90x = 26,857,802,506,824,359,936 - Step 5: Solve for x
x = 26,857,802,506,824,359,936/4,292,352,023.90 - Step 6: Final answer
x = 6,257,129,507.85
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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.