Finding the Fourth Proportional to 1,905,395,829.36, 2,857,776,738.04 and 577,108,062.55
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Solution
The fourth proportional to 1,905,395,829.36, 2,857,776,738.04 and 577,108,062.55 is: 865,566,078.75
Step by Step Solution
- Step 1: Write the proportion equation
1,905,395,829.36 : 2,857,776,738.04 = 577,108,062.55 : x - Step 2: Convert to fraction form
1,905,395,829.36/2,857,776,738.04 = 577,108,062.55/x - Step 3: Cross multiply
1,905,395,829.36x = 2,857,776,738.04 × 577,108,062.55 - Step 4: Simplify right side
1,905,395,829.36x = 1,649,245,996,490,723,072 - Step 5: Solve for x
x = 1,649,245,996,490,723,072/1,905,395,829.36 - Step 6: Final answer
x = 865,566,078.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.