Finding the Fourth Proportional to 752,970,727.30, 1,039,124,835.26 and 418,457,346.08
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Solution
The fourth proportional to 752,970,727.30, 1,039,124,835.26 and 418,457,346.08 is: 577,485,159.84
Step by Step Solution
- Step 1: Write the proportion equation
752,970,727.30 : 1,039,124,835.26 = 418,457,346.08 : x - Step 2: Convert to fraction form
752,970,727.30/1,039,124,835.26 = 418,457,346.08/x - Step 3: Cross multiply
752,970,727.30x = 1,039,124,835.26 × 418,457,346.08 - Step 4: Simplify right side
752,970,727.30x = 434,829,420,808,716,800 - Step 5: Solve for x
x = 434,829,420,808,716,800/752,970,727.30 - Step 6: Final answer
x = 577,485,159.84
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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.