Finding the Fourth Proportional to 867,854,617.92, 1,197,648,162.72 and 471,385,350
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Solution
The fourth proportional to 867,854,617.92, 1,197,648,162.72 and 471,385,350 is: 650,516,557.39
Step by Step Solution
- Step 1: Write the proportion equation
867,854,617.92 : 1,197,648,162.72 = 471,385,350 : x - Step 2: Convert to fraction form
867,854,617.92/1,197,648,162.72 = 471,385,350/x - Step 3: Cross multiply
867,854,617.92x = 1,197,648,162.72 × 471,385,350 - Step 4: Simplify right side
867,854,617.92x = 564,553,798,360,624,192 - Step 5: Solve for x
x = 564,553,798,360,624,192/867,854,617.92 - Step 6: Final answer
x = 650,516,557.39
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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.