Finding the Fourth Proportional to 530,064,276.90, 795,096,415.35 and 206,948,148.90
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Solution
The fourth proportional to 530,064,276.90, 795,096,415.35 and 206,948,148.90 is: 310,422,223.35
Step by Step Solution
- Step 1: Write the proportion equation
530,064,276.90 : 795,096,415.35 = 206,948,148.90 : x - Step 2: Convert to fraction form
530,064,276.90/795,096,415.35 = 206,948,148.90/x - Step 3: Cross multiply
530,064,276.90x = 795,096,415.35 × 206,948,148.90 - Step 4: Simplify right side
530,064,276.90x = 164,543,731,353,708,064 - Step 5: Solve for x
x = 164,543,731,353,708,064/530,064,276.90 - Step 6: Final answer
x = 310,422,223.35
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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.