Finding the Fourth Proportional to 1,650,242,651.60, 2,474,513,671.80 and 614,570,430.80
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Solution
The fourth proportional to 1,650,242,651.60, 2,474,513,671.80 and 614,570,430.80 is: 921,538,982.05
Step by Step Solution
- Step 1: Write the proportion equation
1,650,242,651.60 : 2,474,513,671.80 = 614,570,430.80 : x - Step 2: Convert to fraction form
1,650,242,651.60/2,474,513,671.80 = 614,570,430.80/x - Step 3: Cross multiply
1,650,242,651.60x = 2,474,513,671.80 × 614,570,430.80 - Step 4: Simplify right side
1,650,242,651.60x = 1,520,762,933,298,615,808 - Step 5: Solve for x
x = 1,520,762,933,298,615,808/1,650,242,651.60 - Step 6: Final answer
x = 921,538,982.05
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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.