Finding the Fourth Proportional to 1,664,191,719.52, 2,296,585,811.08 and 901,241,711.80
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Solution
The fourth proportional to 1,664,191,719.52, 2,296,585,811.08 and 901,241,711.80 is: 1,243,714,232.80
Step by Step Solution
- Step 1: Write the proportion equation
1,664,191,719.52 : 2,296,585,811.08 = 901,241,711.80 : x - Step 2: Convert to fraction form
1,664,191,719.52/2,296,585,811.08 = 901,241,711.80/x - Step 3: Cross multiply
1,664,191,719.52x = 2,296,585,811.08 × 901,241,711.80 - Step 4: Simplify right side
1,664,191,719.52x = 2,069,778,927,673,330,432 - Step 5: Solve for x
x = 2,069,778,927,673,330,432/1,664,191,719.52 - Step 6: Final answer
x = 1,243,714,232.80
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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.