Finding the Fourth Proportional to 830,716,955.89, 1,146,742,383.99 and 517,605,871.75
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Solution
The fourth proportional to 830,716,955.89, 1,146,742,383.99 and 517,605,871.75 is: 714,516,041.99
Step by Step Solution
- Step 1: Write the proportion equation
830,716,955.89 : 1,146,742,383.99 = 517,605,871.75 : x - Step 2: Convert to fraction form
830,716,955.89/1,146,742,383.99 = 517,605,871.75/x - Step 3: Cross multiply
830,716,955.89x = 1,146,742,383.99 × 517,605,871.75 - Step 4: Simplify right side
830,716,955.89x = 593,560,591,337,817,216 - Step 5: Solve for x
x = 593,560,591,337,817,216/830,716,955.89 - Step 6: Final answer
x = 714,516,041.99
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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.