Finding the Fourth Proportional to 854,497,679.70, 1,281,746,519.55 and 854,497,679.70
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Solution
The fourth proportional to 854,497,679.70, 1,281,746,519.55 and 854,497,679.70 is: 1,281,746,519.55
Step by Step Solution
- Step 1: Write the proportion equation
854,497,679.70 : 1,281,746,519.55 = 854,497,679.70 : x - Step 2: Convert to fraction form
854,497,679.70/1,281,746,519.55 = 854,497,679.70/x - Step 3: Cross multiply
854,497,679.70x = 1,281,746,519.55 × 854,497,679.70 - Step 4: Simplify right side
854,497,679.70x = 1,095,249,426,919,025,664 - Step 5: Solve for x
x = 1,095,249,426,919,025,664/854,497,679.70 - Step 6: Final answer
x = 1,281,746,519.55
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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.