Finding the Fourth Proportional to 468,028,139.16, 645,899,134.74 and 259,184,281.84
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Solution
The fourth proportional to 468,028,139.16, 645,899,134.74 and 259,184,281.84 is: 357,685,552.15
Step by Step Solution
- Step 1: Write the proportion equation
468,028,139.16 : 645,899,134.74 = 259,184,281.84 : x - Step 2: Convert to fraction form
468,028,139.16/645,899,134.74 = 259,184,281.84/x - Step 3: Cross multiply
468,028,139.16x = 645,899,134.74 × 259,184,281.84 - Step 4: Simplify right side
468,028,139.16x = 167,406,903,378,664,288 - Step 5: Solve for x
x = 167,406,903,378,664,288/468,028,139.16 - Step 6: Final answer
x = 357,685,552.15
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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.