Finding the Fourth Proportional to 330,088,683.30, 495,133,024.95 and 215,297,427.30
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Solution
The fourth proportional to 330,088,683.30, 495,133,024.95 and 215,297,427.30 is: 322,946,140.95
Step by Step Solution
- Step 1: Write the proportion equation
330,088,683.30 : 495,133,024.95 = 215,297,427.30 : x - Step 2: Convert to fraction form
330,088,683.30/495,133,024.95 = 215,297,427.30/x - Step 3: Cross multiply
330,088,683.30x = 495,133,024.95 × 215,297,427.30 - Step 4: Simplify right side
330,088,683.30x = 106,600,866,443,001,712 - Step 5: Solve for x
x = 106,600,866,443,001,712/330,088,683.30 - Step 6: Final answer
x = 322,946,140.95
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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.