Finding the Fourth Proportional to 2,356,173,808.40, 3,251,529,676.68 and 1,298,878,553.36
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Solution
The fourth proportional to 2,356,173,808.40, 3,251,529,676.68 and 1,298,878,553.36 is: 1,792,457,817.67
Step by Step Solution
- Step 1: Write the proportion equation
2,356,173,808.40 : 3,251,529,676.68 = 1,298,878,553.36 : x - Step 2: Convert to fraction form
2,356,173,808.40/3,251,529,676.68 = 1,298,878,553.36/x - Step 3: Cross multiply
2,356,173,808.40x = 3,251,529,676.68 × 1,298,878,553.36 - Step 4: Simplify right side
2,356,173,808.40x = 4,223,342,162,653,226,496 - Step 5: Solve for x
x = 4,223,342,162,653,226,496/2,356,173,808.40 - Step 6: Final answer
x = 1,792,457,817.67
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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.