Finding the Fourth Proportional to 1,379,098,762.77, 1,903,196,484.45 and 752,607,544.08
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Solution
The fourth proportional to 1,379,098,762.77, 1,903,196,484.45 and 752,607,544.08 is: 1,038,620,344.48
Step by Step Solution
- Step 1: Write the proportion equation
1,379,098,762.77 : 1,903,196,484.45 = 752,607,544.08 : x - Step 2: Convert to fraction form
1,379,098,762.77/1,903,196,484.45 = 752,607,544.08/x - Step 3: Cross multiply
1,379,098,762.77x = 1,903,196,484.45 × 752,607,544.08 - Step 4: Simplify right side
1,379,098,762.77x = 1,432,360,032,063,604,480 - Step 5: Solve for x
x = 1,432,360,032,063,604,480/1,379,098,762.77 - Step 6: Final answer
x = 1,038,620,344.48
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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.