Finding the Fourth Proportional to 1,409,092,703.60, 2,113,639,055.40 and 488,663,135.60
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Solution
The fourth proportional to 1,409,092,703.60, 2,113,639,055.40 and 488,663,135.60 is: 732,994,703.40
Step by Step Solution
- Step 1: Write the proportion equation
1,409,092,703.60 : 2,113,639,055.40 = 488,663,135.60 : x - Step 2: Convert to fraction form
1,409,092,703.60/2,113,639,055.40 = 488,663,135.60/x - Step 3: Cross multiply
1,409,092,703.60x = 2,113,639,055.40 × 488,663,135.60 - Step 4: Simplify right side
1,409,092,703.60x = 1,032,857,488,338,386,176 - Step 5: Solve for x
x = 1,032,857,488,338,386,176/1,409,092,703.60 - Step 6: Final answer
x = 732,994,703.40
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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.