Finding the Fourth Proportional to 2,005,908,373.24, 2,768,408,933.78 and 1,212,960,027.59
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Solution
The fourth proportional to 2,005,908,373.24, 2,768,408,933.78 and 1,212,960,027.59 is: 1,674,039,263.95
Step by Step Solution
- Step 1: Write the proportion equation
2,005,908,373.24 : 2,768,408,933.78 = 1,212,960,027.59 : x - Step 2: Convert to fraction form
2,005,908,373.24/2,768,408,933.78 = 1,212,960,027.59/x - Step 3: Cross multiply
2,005,908,373.24x = 2,768,408,933.78 × 1,212,960,027.59 - Step 4: Simplify right side
2,005,908,373.24x = 3,357,969,376,698,191,360 - Step 5: Solve for x
x = 3,357,969,376,698,191,360/2,005,908,373.24 - Step 6: Final answer
x = 1,674,039,263.95
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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.