Finding the Fourth Proportional to 583,600,415.56, 805,387,665.57 and 319,276,276.79
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Solution
The fourth proportional to 583,600,415.56, 805,387,665.57 and 319,276,276.79 is: 440,611,706.88
Step by Step Solution
- Step 1: Write the proportion equation
583,600,415.56 : 805,387,665.57 = 319,276,276.79 : x - Step 2: Convert to fraction form
583,600,415.56/805,387,665.57 = 319,276,276.79/x - Step 3: Cross multiply
583,600,415.56x = 805,387,665.57 × 319,276,276.79 - Step 4: Simplify right side
583,600,415.56x = 257,141,175,235,779,296 - Step 5: Solve for x
x = 257,141,175,235,779,296/583,600,415.56 - Step 6: Final answer
x = 440,611,706.88
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1.5x scale
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.