Finding the Fourth Proportional to 5,480,995,483.99, 7,563,779,365.79 and 2,974,869,712.45
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Solution
The fourth proportional to 5,480,995,483.99, 7,563,779,365.79 and 2,974,869,712.45 is: 4,105,323,241.49
Step by Step Solution
- Step 1: Write the proportion equation
5,480,995,483.99 : 7,563,779,365.79 = 2,974,869,712.45 : x - Step 2: Convert to fraction form
5,480,995,483.99/7,563,779,365.79 = 2,974,869,712.45/x - Step 3: Cross multiply
5,480,995,483.99x = 7,563,779,365.79 × 2,974,869,712.45 - Step 4: Simplify right side
5,480,995,483.99x = 22,501,258,146,942,939,136 - Step 5: Solve for x
x = 22,501,258,146,942,939,136/5,480,995,483.99 - Step 6: Final answer
x = 4,105,323,241.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.