Finding the Fourth Proportional to 3,929,858,953,781, 5,894,908,521,130.30 and 1,348,245,249,269.10
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Solution
The fourth proportional to 3,929,858,953,781, 5,894,908,521,130.30 and 1,348,245,249,269.10 is: 2,022,409,074,209.43
Step by Step Solution
- Step 1: Write the proportion equation
3,929,858,953,781 : 5,894,908,521,130.30 = 1,348,245,249,269.10 : x - Step 2: Convert to fraction form
3,929,858,953,781/5,894,908,521,130.30 = 1,348,245,249,269.10/x - Step 3: Cross multiply
3,929,858,953,781x = 5,894,908,521,130.30 × 1,348,245,249,269.10 - Step 4: Simplify right side
3,929,858,953,781x = 7,947,782,408,489,863,020,019,712 - Step 5: Solve for x
x = 7,947,782,408,489,863,020,019,712/3,929,858,953,781 - Step 6: Final answer
x = 2,022,409,074,209.43
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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.