Finding the Fourth Proportional to 924,916,503.49, 1,387,530,267.44 and 458,600,940.83
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Solution
The fourth proportional to 924,916,503.49, 1,387,530,267.44 and 458,600,940.83 is: 687,978,518.80
Step by Step Solution
- Step 1: Write the proportion equation
924,916,503.49 : 1,387,530,267.44 = 458,600,940.83 : x - Step 2: Convert to fraction form
924,916,503.49/1,387,530,267.44 = 458,600,940.83/x - Step 3: Cross multiply
924,916,503.49x = 1,387,530,267.44 × 458,600,940.83 - Step 4: Simplify right side
924,916,503.49x = 636,322,686,079,233,536 - Step 5: Solve for x
x = 636,322,686,079,233,536/924,916,503.49 - Step 6: Final answer
x = 687,978,518.80
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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.