Finding the Fourth Proportional to 1,715,742,564.80, 2,364,895,177.80 and 1,213,303,284.32
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Solution
The fourth proportional to 1,715,742,564.80, 2,364,895,177.80 and 1,213,303,284.32 is: 1,672,357,581.59
Step by Step Solution
- Step 1: Write the proportion equation
1,715,742,564.80 : 2,364,895,177.80 = 1,213,303,284.32 : x - Step 2: Convert to fraction form
1,715,742,564.80/2,364,895,177.80 = 1,213,303,284.32/x - Step 3: Cross multiply
1,715,742,564.80x = 2,364,895,177.80 × 1,213,303,284.32 - Step 4: Simplify right side
1,715,742,564.80x = 2,869,335,086,297,270,272 - Step 5: Solve for x
x = 2,869,335,086,297,270,272/1,715,742,564.80 - Step 6: Final answer
x = 1,672,357,581.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.