Finding the Fourth Proportional to 7,768,249,280.80, 11,652,373,921.20 and 4,448,656,218.40
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Solution
The fourth proportional to 7,768,249,280.80, 11,652,373,921.20 and 4,448,656,218.40 is: 6,672,984,327.60
Step by Step Solution
- Step 1: Write the proportion equation
7,768,249,280.80 : 11,652,373,921.20 = 4,448,656,218.40 : x - Step 2: Convert to fraction form
7,768,249,280.80/11,652,373,921.20 = 4,448,656,218.40/x - Step 3: Cross multiply
7,768,249,280.80x = 11,652,373,921.20 × 4,448,656,218.40 - Step 4: Simplify right side
7,768,249,280.80x = 51,837,405,703,668,367,360 - Step 5: Solve for x
x = 51,837,405,703,668,367,360/7,768,249,280.80 - Step 6: Final answer
x = 6,672,984,327.60
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Double scale
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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.