Finding the Fourth Proportional to 5,244,310,897.60, 7,866,466,346.40 and 3,591,316,811.20
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Solution
The fourth proportional to 5,244,310,897.60, 7,866,466,346.40 and 3,591,316,811.20 is: 5,386,975,216.80
Step by Step Solution
- Step 1: Write the proportion equation
5,244,310,897.60 : 7,866,466,346.40 = 3,591,316,811.20 : x - Step 2: Convert to fraction form
5,244,310,897.60/7,866,466,346.40 = 3,591,316,811.20/x - Step 3: Cross multiply
5,244,310,897.60x = 7,866,466,346.40 × 3,591,316,811.20 - Step 4: Simplify right side
5,244,310,897.60x = 28,250,972,834,565,361,664 - Step 5: Solve for x
x = 28,250,972,834,565,361,664/5,244,310,897.60 - Step 6: Final answer
x = 5,386,975,216.80
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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.