Finding the Fourth Proportional to 3,272,688,275.52, 4,909,032,454.32 and 785,549,197.20
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Solution
The fourth proportional to 3,272,688,275.52, 4,909,032,454.32 and 785,549,197.20 is: 1,178,323,805.65
Step by Step Solution
- Step 1: Write the proportion equation
3,272,688,275.52 : 4,909,032,454.32 = 785,549,197.20 : x - Step 2: Convert to fraction form
3,272,688,275.52/4,909,032,454.32 = 785,549,197.20/x - Step 3: Cross multiply
3,272,688,275.52x = 4,909,032,454.32 × 785,549,197.20 - Step 4: Simplify right side
3,272,688,275.52x = 3,856,286,503,519,821,824 - Step 5: Solve for x
x = 3,856,286,503,519,821,824/3,272,688,275.52 - Step 6: Final answer
x = 1,178,323,805.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.