Finding the Fourth Proportional to 970,585,528.80, 1,455,878,293.20 and 539,764,024.80
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Solution
The fourth proportional to 970,585,528.80, 1,455,878,293.20 and 539,764,024.80 is: 809,646,037.20
Step by Step Solution
- Step 1: Write the proportion equation
970,585,528.80 : 1,455,878,293.20 = 539,764,024.80 : x - Step 2: Convert to fraction form
970,585,528.80/1,455,878,293.20 = 539,764,024.80/x - Step 3: Cross multiply
970,585,528.80x = 1,455,878,293.20 × 539,764,024.80 - Step 4: Simplify right side
970,585,528.80x = 785,830,727,156,586,368 - Step 5: Solve for x
x = 785,830,727,156,586,368/970,585,528.80 - Step 6: Final answer
x = 809,646,037.20
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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.