Finding the Fourth Proportional to 1,041,420,794.68, 1,437,128,321.70 and 571,510,033.48
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Solution
The fourth proportional to 1,041,420,794.68, 1,437,128,321.70 and 571,510,033.48 is: 788,666,079.50
Step by Step Solution
- Step 1: Write the proportion equation
1,041,420,794.68 : 1,437,128,321.70 = 571,510,033.48 : x - Step 2: Convert to fraction form
1,041,420,794.68/1,437,128,321.70 = 571,510,033.48/x - Step 3: Cross multiply
1,041,420,794.68x = 1,437,128,321.70 × 571,510,033.48 - Step 4: Simplify right side
1,041,420,794.68x = 821,333,255,249,823,232 - Step 5: Solve for x
x = 821,333,255,249,823,232/1,041,420,794.68 - Step 6: Final answer
x = 788,666,079.50
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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.