Finding the Fourth Proportional to 1,869,115,278.28, 2,580,173,294.16 and 1,164,615,337.68
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Solution
The fourth proportional to 1,869,115,278.28, 2,580,173,294.16 and 1,164,615,337.68 is: 1,607,664,025.42
Step by Step Solution
- Step 1: Write the proportion equation
1,869,115,278.28 : 2,580,173,294.16 = 1,164,615,337.68 : x - Step 2: Convert to fraction form
1,869,115,278.28/2,580,173,294.16 = 1,164,615,337.68/x - Step 3: Cross multiply
1,869,115,278.28x = 2,580,173,294.16 × 1,164,615,337.68 - Step 4: Simplify right side
1,869,115,278.28x = 3,004,909,392,251,066,368 - Step 5: Solve for x
x = 3,004,909,392,251,066,368/1,869,115,278.28 - Step 6: Final answer
x = 1,607,664,025.42
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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.