Finding the Fourth Proportional to 2,328,205,148.80, 3,487,205,889.60 and 2,069,712,246.40
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Solution
The fourth proportional to 2,328,205,148.80, 3,487,205,889.60 and 2,069,712,246.40 is: 3,100,032,975.68
Step by Step Solution
- Step 1: Write the proportion equation
2,328,205,148.80 : 3,487,205,889.60 = 2,069,712,246.40 : x - Step 2: Convert to fraction form
2,328,205,148.80/3,487,205,889.60 = 2,069,712,246.40/x - Step 3: Cross multiply
2,328,205,148.80x = 3,487,205,889.60 × 2,069,712,246.40 - Step 4: Simplify right side
2,328,205,148.80x = 7,217,512,735,423,326,208 - Step 5: Solve for x
x = 7,217,512,735,423,326,208/2,328,205,148.80 - Step 6: Final answer
x = 3,100,032,975.68
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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.