Finding the Fourth Proportional to 2,639,064,987.64, 3,641,697,295.50 and 1,525,303,219.96
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Solution
The fourth proportional to 2,639,064,987.64, 3,641,697,295.50 and 1,525,303,219.96 is: 2,104,795,689.75
Step by Step Solution
- Step 1: Write the proportion equation
2,639,064,987.64 : 3,641,697,295.50 = 1,525,303,219.96 : x - Step 2: Convert to fraction form
2,639,064,987.64/3,641,697,295.50 = 1,525,303,219.96/x - Step 3: Cross multiply
2,639,064,987.64x = 3,641,697,295.50 × 1,525,303,219.96 - Step 4: Simplify right side
2,639,064,987.64x = 5,554,692,610,945,773,568 - Step 5: Solve for x
x = 5,554,692,610,945,773,568/2,639,064,987.64 - Step 6: Final answer
x = 2,104,795,689.75
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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.