Finding the Fourth Proportional to 4,639,272,024.79, 6,403,544,469.75 and 3,031,968,811.96
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Solution
The fourth proportional to 4,639,272,024.79, 6,403,544,469.75 and 3,031,968,811.96 is: 4,184,998,640.85
Step by Step Solution
- Step 1: Write the proportion equation
4,639,272,024.79 : 6,403,544,469.75 = 3,031,968,811.96 : x - Step 2: Convert to fraction form
4,639,272,024.79/6,403,544,469.75 = 3,031,968,811.96/x - Step 3: Cross multiply
4,639,272,024.79x = 6,403,544,469.75 × 3,031,968,811.96 - Step 4: Simplify right side
4,639,272,024.79x = 19,415,347,118,280,937,472 - Step 5: Solve for x
x = 19,415,347,118,280,937,472/4,639,272,024.79 - Step 6: Final answer
x = 4,184,998,640.85
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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.