Finding the Fourth Proportional to 1,217,282,387.34, 1,827,104,313.47 and 587,457,679.35
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Solution
The fourth proportional to 1,217,282,387.34, 1,827,104,313.47 and 587,457,679.35 is: 881,756,337.79
Step by Step Solution
- Step 1: Write the proportion equation
1,217,282,387.34 : 1,827,104,313.47 = 587,457,679.35 : x - Step 2: Convert to fraction form
1,217,282,387.34/1,827,104,313.47 = 587,457,679.35/x - Step 3: Cross multiply
1,217,282,387.34x = 1,827,104,313.47 × 587,457,679.35 - Step 4: Simplify right side
1,217,282,387.34x = 1,073,346,459,918,523,904 - Step 5: Solve for x
x = 1,073,346,459,918,523,904/1,217,282,387.34 - Step 6: Final answer
x = 881,756,337.79
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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.