Finding the Fourth Proportional to 1,430,791,403.10, 2,146,187,104.65 and 1,201,208,891.10
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Solution
The fourth proportional to 1,430,791,403.10, 2,146,187,104.65 and 1,201,208,891.10 is: 1,801,813,336.65
Step by Step Solution
- Step 1: Write the proportion equation
1,430,791,403.10 : 2,146,187,104.65 = 1,201,208,891.10 : x - Step 2: Convert to fraction form
1,430,791,403.10/2,146,187,104.65 = 1,201,208,891.10/x - Step 3: Cross multiply
1,430,791,403.10x = 2,146,187,104.65 × 1,201,208,891.10 - Step 4: Simplify right side
1,430,791,403.10x = 2,578,019,032,069,746,176 - Step 5: Solve for x
x = 2,578,019,032,069,746,176/1,430,791,403.10 - Step 6: Final answer
x = 1,801,813,336.65
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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.