Finding the Fourth Proportional to 724,349,219.70, 1,086,523,829.55 and 264,134,435.70
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Solution
The fourth proportional to 724,349,219.70, 1,086,523,829.55 and 264,134,435.70 is: 396,201,653.55
Step by Step Solution
- Step 1: Write the proportion equation
724,349,219.70 : 1,086,523,829.55 = 264,134,435.70 : x - Step 2: Convert to fraction form
724,349,219.70/1,086,523,829.55 = 264,134,435.70/x - Step 3: Cross multiply
724,349,219.70x = 1,086,523,829.55 × 264,134,435.70 - Step 4: Simplify right side
724,349,219.70x = 286,988,358,592,792,224 - Step 5: Solve for x
x = 286,988,358,592,792,224/724,349,219.70 - Step 6: Final answer
x = 396,201,653.55
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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.