Finding the Fourth Proportional to 563,163,971.70, 777,167,954.93 and 312,286,037.54
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Solution
The fourth proportional to 563,163,971.70, 777,167,954.93 and 312,286,037.54 is: 430,955,660.06
Step by Step Solution
- Step 1: Write the proportion equation
563,163,971.70 : 777,167,954.93 = 312,286,037.54 : x - Step 2: Convert to fraction form
563,163,971.70/777,167,954.93 = 312,286,037.54/x - Step 3: Cross multiply
563,163,971.70x = 777,167,954.93 × 312,286,037.54 - Step 4: Simplify right side
563,163,971.70x = 242,698,701,148,155,008 - Step 5: Solve for x
x = 242,698,701,148,155,008/563,163,971.70 - Step 6: Final answer
x = 430,955,660.06
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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.