Finding the Fourth Proportional to 4,292,352,021.90, 6,438,528,032.85 and 1,384,600,802.70
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Solution
The fourth proportional to 4,292,352,021.90, 6,438,528,032.85 and 1,384,600,802.70 is: 2,076,901,204.05
Step by Step Solution
- Step 1: Write the proportion equation
4,292,352,021.90 : 6,438,528,032.85 = 1,384,600,802.70 : x - Step 2: Convert to fraction form
4,292,352,021.90/6,438,528,032.85 = 1,384,600,802.70/x - Step 3: Cross multiply
4,292,352,021.90x = 6,438,528,032.85 × 1,384,600,802.70 - Step 4: Simplify right side
4,292,352,021.90x = 8,914,791,082,490,562,560 - Step 5: Solve for x
x = 8,914,791,082,490,562,560/4,292,352,021.90 - Step 6: Final answer
x = 2,076,901,204.05
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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.