Finding the Fourth Proportional to 1,971,549,717,911.50, 2,720,736,547,249 and 1,104,460,599,648.10
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Solution
The fourth proportional to 1,971,549,717,911.50, 2,720,736,547,249 and 1,104,460,599,648.10 is: 1,524,154,471,560.74
Step by Step Solution
- Step 1: Write the proportion equation
1,971,549,717,911.50 : 2,720,736,547,249 = 1,104,460,599,648.10 : x - Step 2: Convert to fraction form
1,971,549,717,911.50/2,720,736,547,249 = 1,104,460,599,648.10/x - Step 3: Cross multiply
1,971,549,717,911.50x = 2,720,736,547,249 × 1,104,460,599,648.10 - Step 4: Simplify right side
1,971,549,717,911.50x = 3,004,946,318,459,132,077,670,400 - Step 5: Solve for x
x = 3,004,946,318,459,132,077,670,400/1,971,549,717,911.50 - Step 6: Final answer
x = 1,524,154,471,560.74
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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.