Finding the Fourth Proportional to 297,779,267.80, 446,668,901.70 and 144,724,259.80
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Solution
The fourth proportional to 297,779,267.80, 446,668,901.70 and 144,724,259.80 is: 217,086,389.70
Step by Step Solution
- Step 1: Write the proportion equation
297,779,267.80 : 446,668,901.70 = 144,724,259.80 : x - Step 2: Convert to fraction form
297,779,267.80/446,668,901.70 = 144,724,259.80/x - Step 3: Cross multiply
297,779,267.80x = 446,668,901.70 × 144,724,259.80 - Step 4: Simplify right side
297,779,267.80x = 64,643,826,174,211,464 - Step 5: Solve for x
x = 64,643,826,174,211,464/297,779,267.80 - Step 6: Final answer
x = 217,086,389.70
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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.