Finding the Fourth Proportional to 6,389,802,598.79, 8,818,268,212.46 and 3,570,478,962.95
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Solution
The fourth proportional to 6,389,802,598.79, 8,818,268,212.46 and 3,570,478,962.95 is: 4,927,451,303.14
Step by Step Solution
- Step 1: Write the proportion equation
6,389,802,598.79 : 8,818,268,212.46 = 3,570,478,962.95 : x - Step 2: Convert to fraction form
6,389,802,598.79/8,818,268,212.46 = 3,570,478,962.95/x - Step 3: Cross multiply
6,389,802,598.79x = 8,818,268,212.46 × 3,570,478,962.95 - Step 4: Simplify right side
6,389,802,598.79x = 31,485,441,142,221,275,136 - Step 5: Solve for x
x = 31,485,441,142,221,275,136/6,389,802,598.79 - Step 6: Final answer
x = 4,927,451,303.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.