Finding the Fourth Proportional to 427,864,632.53, 641,610,057.74 and 151,423,970.63
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Solution
The fourth proportional to 427,864,632.53, 641,610,057.74 and 151,423,970.63 is: 227,069,814.02
Step by Step Solution
- Step 1: Write the proportion equation
427,864,632.53 : 641,610,057.74 = 151,423,970.63 : x - Step 2: Convert to fraction form
427,864,632.53/641,610,057.74 = 151,423,970.63/x - Step 3: Cross multiply
427,864,632.53x = 641,610,057.74 × 151,423,970.63 - Step 4: Simplify right side
427,864,632.53x = 97,155,142,535,169,200 - Step 5: Solve for x
x = 97,155,142,535,169,200/427,864,632.53 - Step 6: Final answer
x = 227,069,814.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.