Finding the Fourth Proportional to 816,237,768.10, 1,225,632,110.55 and 471,864,000.10
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Solution
The fourth proportional to 816,237,768.10, 1,225,632,110.55 and 471,864,000.10 is: 708,533,337.88
Step by Step Solution
- Step 1: Write the proportion equation
816,237,768.10 : 1,225,632,110.55 = 471,864,000.10 : x - Step 2: Convert to fraction form
816,237,768.10/1,225,632,110.55 = 471,864,000.10/x - Step 3: Cross multiply
816,237,768.10x = 1,225,632,110.55 × 471,864,000.10 - Step 4: Simplify right side
816,237,768.10x = 578,331,670,335,128,448 - Step 5: Solve for x
x = 578,331,670,335,128,448/816,237,768.10 - Step 6: Final answer
x = 708,533,337.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.