Finding the Fourth Proportional to 4,378,468,421.98, 6,568,547,624.25 and 1,429,955,366.32
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Solution
The fourth proportional to 4,378,468,421.98, 6,568,547,624.25 and 1,429,955,366.32 is: 2,145,209,013.52
Step by Step Solution
- Step 1: Write the proportion equation
4,378,468,421.98 : 6,568,547,624.25 = 1,429,955,366.32 : x - Step 2: Convert to fraction form
4,378,468,421.98/6,568,547,624.25 = 1,429,955,366.32/x - Step 3: Cross multiply
4,378,468,421.98x = 6,568,547,624.25 × 1,429,955,366.32 - Step 4: Simplify right side
4,378,468,421.98x = 9,392,729,924,224,774,144 - Step 5: Solve for x
x = 9,392,729,924,224,774,144/4,378,468,421.98 - Step 6: Final answer
x = 2,145,209,013.52
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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.