Finding the Fourth Proportional to 1,235,219,201.60, 1,852,888,389.76 and 406,154,488.96
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Solution
The fourth proportional to 1,235,219,201.60, 1,852,888,389.76 and 406,154,488.96 is: 609,251,326.46
Step by Step Solution
- Step 1: Write the proportion equation
1,235,219,201.60 : 1,852,888,389.76 = 406,154,488.96 : x - Step 2: Convert to fraction form
1,235,219,201.60/1,852,888,389.76 = 406,154,488.96/x - Step 3: Cross multiply
1,235,219,201.60x = 1,852,888,389.76 × 406,154,488.96 - Step 4: Simplify right side
1,235,219,201.60x = 752,558,937,042,890,112 - Step 5: Solve for x
x = 752,558,937,042,890,112/1,235,219,201.60 - Step 6: Final answer
x = 609,251,326.46
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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.