Finding the Fourth Proportional to 939,542,567.84, 1,408,782,633.04 and 309,104,024.47
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Solution
The fourth proportional to 939,542,567.84, 1,408,782,633.04 and 309,104,024.47 is: 463,481,268.84
Step by Step Solution
- Step 1: Write the proportion equation
939,542,567.84 : 1,408,782,633.04 = 309,104,024.47 : x - Step 2: Convert to fraction form
939,542,567.84/1,408,782,633.04 = 309,104,024.47/x - Step 3: Cross multiply
939,542,567.84x = 1,408,782,633.04 × 309,104,024.47 - Step 4: Simplify right side
939,542,567.84x = 435,460,381,471,225,088 - Step 5: Solve for x
x = 435,460,381,471,225,088/939,542,567.84 - Step 6: Final answer
x = 463,481,268.84
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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.