Finding the Fourth Proportional to 876,303,772.68, 1,312,368,987.62 and 507,060,556.04
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Solution
The fourth proportional to 876,303,772.68, 1,312,368,987.62 and 507,060,556.04 is: 759,383,411.71
Step by Step Solution
- Step 1: Write the proportion equation
876,303,772.68 : 1,312,368,987.62 = 507,060,556.04 : x - Step 2: Convert to fraction form
876,303,772.68/1,312,368,987.62 = 507,060,556.04/x - Step 3: Cross multiply
876,303,772.68x = 1,312,368,987.62 × 507,060,556.04 - Step 4: Simplify right side
876,303,772.68x = 665,450,548,592,249,088 - Step 5: Solve for x
x = 665,450,548,592,249,088/876,303,772.68 - Step 6: Final answer
x = 759,383,411.71
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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.