Finding the Fourth Proportional to 825,659,271.64, 1,139,409,465.24 and 454,381,303.24
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Solution
The fourth proportional to 825,659,271.64, 1,139,409,465.24 and 454,381,303.24 is: 627,046,017.07
Step by Step Solution
- Step 1: Write the proportion equation
825,659,271.64 : 1,139,409,465.24 = 454,381,303.24 : x - Step 2: Convert to fraction form
825,659,271.64/1,139,409,465.24 = 454,381,303.24/x - Step 3: Cross multiply
825,659,271.64x = 1,139,409,465.24 × 454,381,303.24 - Step 4: Simplify right side
825,659,271.64x = 517,726,357,739,742,720 - Step 5: Solve for x
x = 517,726,357,739,742,720/825,659,271.64 - Step 6: Final answer
x = 627,046,017.07
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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.