Finding the Fourth Proportional to 558,484,539.66, 770,763,102.93 and 417,110,318.91
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Solution
The fourth proportional to 558,484,539.66, 770,763,102.93 and 417,110,318.91 is: 575,652,897.86
Step by Step Solution
- Step 1: Write the proportion equation
558,484,539.66 : 770,763,102.93 = 417,110,318.91 : x - Step 2: Convert to fraction form
558,484,539.66/770,763,102.93 = 417,110,318.91/x - Step 3: Cross multiply
558,484,539.66x = 770,763,102.93 × 417,110,318.91 - Step 4: Simplify right side
558,484,539.66x = 321,493,243,667,193,472 - Step 5: Solve for x
x = 321,493,243,667,193,472/558,484,539.66 - Step 6: Final answer
x = 575,652,897.86
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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.