Finding the Fourth Proportional to 2,859,928,634.14, 4,289,813,650.28 and 761,423,045.74
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Solution
The fourth proportional to 2,859,928,634.14, 4,289,813,650.28 and 761,423,045.74 is: 1,142,113,455.65
Step by Step Solution
- Step 1: Write the proportion equation
2,859,928,634.14 : 4,289,813,650.28 = 761,423,045.74 : x - Step 2: Convert to fraction form
2,859,928,634.14/4,289,813,650.28 = 761,423,045.74/x - Step 3: Cross multiply
2,859,928,634.14x = 4,289,813,650.28 × 761,423,045.74 - Step 4: Simplify right side
2,859,928,634.14x = 3,266,362,975,238,692,864 - Step 5: Solve for x
x = 3,266,362,975,238,692,864/2,859,928,634.14 - Step 6: Final answer
x = 1,142,113,455.65
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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.