Finding the Fourth Proportional to 539,643,027.70, 809,464,541.55 and 539,643,027.70
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Solution
The fourth proportional to 539,643,027.70, 809,464,541.55 and 539,643,027.70 is: 809,464,541.55
Step by Step Solution
- Step 1: Write the proportion equation
539,643,027.70 : 809,464,541.55 = 539,643,027.70 : x - Step 2: Convert to fraction form
539,643,027.70/809,464,541.55 = 539,643,027.70/x - Step 3: Cross multiply
539,643,027.70x = 809,464,541.55 × 539,643,027.70 - Step 4: Simplify right side
539,643,027.70x = 436,821,896,017,834,432 - Step 5: Solve for x
x = 436,821,896,017,834,432/539,643,027.70 - Step 6: Final answer
x = 809,464,541.55
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Double scale
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Similar ratio
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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.