Finding the Fourth Proportional to 4,828,896,171.90, 7,243,344,257.85 and 3,604,456,107.90
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Solution
The fourth proportional to 4,828,896,171.90, 7,243,344,257.85 and 3,604,456,107.90 is: 5,406,684,161.85
Step by Step Solution
- Step 1: Write the proportion equation
4,828,896,171.90 : 7,243,344,257.85 = 3,604,456,107.90 : x - Step 2: Convert to fraction form
4,828,896,171.90/7,243,344,257.85 = 3,604,456,107.90/x - Step 3: Cross multiply
4,828,896,171.90x = 7,243,344,257.85 × 3,604,456,107.90 - Step 4: Simplify right side
4,828,896,171.90x = 26,108,316,451,829,825,536 - Step 5: Solve for x
x = 26,108,316,451,829,825,536/4,828,896,171.90 - Step 6: Final answer
x = 5,406,684,161.85
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Double scale
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Similar ratio
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1.5x scale
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.