Finding the Fourth Proportional to 838,873,880.01, 1,157,655,032.42 and 462,531,195.99
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Solution
The fourth proportional to 838,873,880.01, 1,157,655,032.42 and 462,531,195.99 is: 638,298,055.82
Step by Step Solution
- Step 1: Write the proportion equation
838,873,880.01 : 1,157,655,032.42 = 462,531,195.99 : x - Step 2: Convert to fraction form
838,873,880.01/1,157,655,032.42 = 462,531,195.99/x - Step 3: Cross multiply
838,873,880.01x = 1,157,655,032.42 × 462,531,195.99 - Step 4: Simplify right side
838,873,880.01x = 535,451,566,686,752,192 - Step 5: Solve for x
x = 535,451,566,686,752,192/838,873,880.01 - Step 6: Final answer
x = 638,298,055.82
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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.