Finding the Fourth Proportional to 1,942,944,113.60, 2,913,408,400.80 and 715,480,740.80
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Solution
The fourth proportional to 1,942,944,113.60, 2,913,408,400.80 and 715,480,740.80 is: 1,072,850,004.42
Step by Step Solution
- Step 1: Write the proportion equation
1,942,944,113.60 : 2,913,408,400.80 = 715,480,740.80 : x - Step 2: Convert to fraction form
1,942,944,113.60/2,913,408,400.80 = 715,480,740.80/x - Step 3: Cross multiply
1,942,944,113.60x = 2,913,408,400.80 × 715,480,740.80 - Step 4: Simplify right side
1,942,944,113.60x = 2,084,487,600,857,327,360 - Step 5: Solve for x
x = 2,084,487,600,857,327,360/1,942,944,113.60 - Step 6: Final answer
x = 1,072,850,004.42
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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.