Finding the Fourth Proportional to 6,471,398,951.79, 8,936,698,355.24 and 6,118,841,263.47
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Solution
The fourth proportional to 6,471,398,951.79, 8,936,698,355.24 and 6,118,841,263.47 is: 8,449,832,727.45
Step by Step Solution
- Step 1: Write the proportion equation
6,471,398,951.79 : 8,936,698,355.24 = 6,118,841,263.47 : x - Step 2: Convert to fraction form
6,471,398,951.79/8,936,698,355.24 = 6,118,841,263.47/x - Step 3: Cross multiply
6,471,398,951.79x = 8,936,698,355.24 × 6,118,841,263.47 - Step 4: Simplify right side
6,471,398,951.79x = 54,682,238,655,196,405,760 - Step 5: Solve for x
x = 54,682,238,655,196,405,760/6,471,398,951.79 - Step 6: Final answer
x = 8,449,832,727.45
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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.