Finding the Fourth Proportional to 5,480,995,482.99, 7,563,779,364.41 and 2,974,869,711.45
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Solution
The fourth proportional to 5,480,995,482.99, 7,563,779,364.41 and 2,974,869,711.45 is: 4,105,323,240.11
Step by Step Solution
- Step 1: Write the proportion equation
5,480,995,482.99 : 7,563,779,364.41 = 2,974,869,711.45 : x - Step 2: Convert to fraction form
5,480,995,482.99/7,563,779,364.41 = 2,974,869,711.45/x - Step 3: Cross multiply
5,480,995,482.99x = 7,563,779,364.41 × 2,974,869,711.45 - Step 4: Simplify right side
5,480,995,482.99x = 22,501,258,135,258,963,968 - Step 5: Solve for x
x = 22,501,258,135,258,963,968/5,480,995,482.99 - Step 6: Final answer
x = 4,105,323,240.11
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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.