Finding the Fourth Proportional to 5,258,486,281.81, 7,888,214,316.94 and 1,717,246,279.50
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Solution
The fourth proportional to 5,258,486,281.81, 7,888,214,316.94 and 1,717,246,279.50 is: 2,576,027,769.54
Step by Step Solution
- Step 1: Write the proportion equation
5,258,486,281.81 : 7,888,214,316.94 = 1,717,246,279.50 : x - Step 2: Convert to fraction form
5,258,486,281.81/7,888,214,316.94 = 1,717,246,279.50/x - Step 3: Cross multiply
5,258,486,281.81x = 7,888,214,316.94 × 1,717,246,279.50 - Step 4: Simplify right side
5,258,486,281.81x = 13,546,006,687,663,847,424 - Step 5: Solve for x
x = 13,546,006,687,663,847,424/5,258,486,281.81 - Step 6: Final answer
x = 2,576,027,769.54
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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.