Finding the Fourth Proportional to 530,094,434.64, 731,521,584.84 and 310,115,127.12
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Solution
The fourth proportional to 530,094,434.64, 731,521,584.84 and 310,115,127.12 is: 427,953,765.31
Step by Step Solution
- Step 1: Write the proportion equation
530,094,434.64 : 731,521,584.84 = 310,115,127.12 : x - Step 2: Convert to fraction form
530,094,434.64/731,521,584.84 = 310,115,127.12/x - Step 3: Cross multiply
530,094,434.64x = 731,521,584.84 × 310,115,127.12 - Step 4: Simplify right side
530,094,434.64x = 226,855,909,273,680,480 - Step 5: Solve for x
x = 226,855,909,273,680,480/530,094,434.64 - Step 6: Final answer
x = 427,953,765.31
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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.