Finding the Fourth Proportional to 330,486,702,923.80, 495,730,054,385.70 and 198,247,176,011.80
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Solution
The fourth proportional to 330,486,702,923.80, 495,730,054,385.70 and 198,247,176,011.80 is: 297,370,764,017.70
Step by Step Solution
- Step 1: Write the proportion equation
330,486,702,923.80 : 495,730,054,385.70 = 198,247,176,011.80 : x - Step 2: Convert to fraction form
330,486,702,923.80/495,730,054,385.70 = 198,247,176,011.80/x - Step 3: Cross multiply
330,486,702,923.80x = 495,730,054,385.70 × 198,247,176,011.80 - Step 4: Simplify right side
330,486,702,923.80x = 98,277,083,346,141,047,685,120 - Step 5: Solve for x
x = 98,277,083,346,141,047,685,120/330,486,702,923.80 - Step 6: Final answer
x = 297,370,764,017.70
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1.5x scale
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.