Finding the Fourth Proportional to 1,577,883,313.90, 2,366,824,970.85 and 716,240,305.90
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Solution
The fourth proportional to 1,577,883,313.90, 2,366,824,970.85 and 716,240,305.90 is: 1,074,360,458.85
Step by Step Solution
- Step 1: Write the proportion equation
1,577,883,313.90 : 2,366,824,970.85 = 716,240,305.90 : x - Step 2: Convert to fraction form
1,577,883,313.90/2,366,824,970.85 = 716,240,305.90/x - Step 3: Cross multiply
1,577,883,313.90x = 2,366,824,970.85 × 716,240,305.90 - Step 4: Simplify right side
1,577,883,313.90x = 1,695,215,441,133,362,432 - Step 5: Solve for x
x = 1,695,215,441,133,362,432/1,577,883,313.90 - Step 6: Final answer
x = 1,074,360,458.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.