Finding the Fourth Proportional to 800,735,790.90, 1,201,103,686.35 and 493,030,139.70
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Solution
The fourth proportional to 800,735,790.90, 1,201,103,686.35 and 493,030,139.70 is: 739,545,209.55
Step by Step Solution
- Step 1: Write the proportion equation
800,735,790.90 : 1,201,103,686.35 = 493,030,139.70 : x - Step 2: Convert to fraction form
800,735,790.90/1,201,103,686.35 = 493,030,139.70/x - Step 3: Cross multiply
800,735,790.90x = 1,201,103,686.35 × 493,030,139.70 - Step 4: Simplify right side
800,735,790.90x = 592,180,318,275,325,440 - Step 5: Solve for x
x = 592,180,318,275,325,440/800,735,790.90 - Step 6: Final answer
x = 739,545,209.55
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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.