Finding the Fourth Proportional to 624,548,154.08, 861,881,555.76 and 346,094,328.80
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Solution
The fourth proportional to 624,548,154.08, 861,881,555.76 and 346,094,328.80 is: 477,613,001.65
Step by Step Solution
- Step 1: Write the proportion equation
624,548,154.08 : 861,881,555.76 = 346,094,328.80 : x - Step 2: Convert to fraction form
624,548,154.08/861,881,555.76 = 346,094,328.80/x - Step 3: Cross multiply
624,548,154.08x = 861,881,555.76 × 346,094,328.80 - Step 4: Simplify right side
624,548,154.08x = 298,292,318,545,856,960 - Step 5: Solve for x
x = 298,292,318,545,856,960/624,548,154.08 - Step 6: Final answer
x = 477,613,001.65
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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.