Finding the Fourth Proportional to 1,451,503,857.54, 2,177,249,572.17 and 402,239,064.41
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Solution
The fourth proportional to 1,451,503,857.54, 2,177,249,572.17 and 402,239,064.41 is: 603,356,874.55
Step by Step Solution
- Step 1: Write the proportion equation
1,451,503,857.54 : 2,177,249,572.17 = 402,239,064.41 : x - Step 2: Convert to fraction form
1,451,503,857.54/2,177,249,572.17 = 402,239,064.41/x - Step 3: Cross multiply
1,451,503,857.54x = 2,177,249,572.17 × 402,239,064.41 - Step 4: Simplify right side
1,451,503,857.54x = 875,774,830,885,847,296 - Step 5: Solve for x
x = 875,774,830,885,847,296/1,451,503,857.54 - Step 6: Final answer
x = 603,356,874.55
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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.