Finding the Fourth Proportional to 7,170,742,951.20, 10,756,114,426.80 and 2,512,011,570.98
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Solution
The fourth proportional to 7,170,742,951.20, 10,756,114,426.80 and 2,512,011,570.98 is: 3,768,017,356.46
Step by Step Solution
- Step 1: Write the proportion equation
7,170,742,951.20 : 10,756,114,426.80 = 2,512,011,570.98 : x - Step 2: Convert to fraction form
7,170,742,951.20/10,756,114,426.80 = 2,512,011,570.98/x - Step 3: Cross multiply
7,170,742,951.20x = 10,756,114,426.80 × 2,512,011,570.98 - Step 4: Simplify right side
7,170,742,951.20x = 27,019,483,898,852,724,736 - Step 5: Solve for x
x = 27,019,483,898,852,724,736/7,170,742,951.20 - Step 6: Final answer
x = 3,768,017,356.46
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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.