Finding the Fourth Proportional to 576,552,140.70, 864,828,211.05 and 479,617,302.30
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Solution
The fourth proportional to 576,552,140.70, 864,828,211.05 and 479,617,302.30 is: 719,425,953.45
Step by Step Solution
- Step 1: Write the proportion equation
576,552,140.70 : 864,828,211.05 = 479,617,302.30 : x - Step 2: Convert to fraction form
576,552,140.70/864,828,211.05 = 479,617,302.30/x - Step 3: Cross multiply
576,552,140.70x = 864,828,211.05 × 479,617,302.30 - Step 4: Simplify right side
576,552,140.70x = 414,786,573,536,736,064 - Step 5: Solve for x
x = 414,786,573,536,736,064/576,552,140.70 - Step 6: Final answer
x = 719,425,953.45
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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.