Finding the Fourth Proportional to 958,624,686.10, 1,437,937,029.15 and 493,720,099.30
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Solution
The fourth proportional to 958,624,686.10, 1,437,937,029.15 and 493,720,099.30 is: 740,580,148.95
Step by Step Solution
- Step 1: Write the proportion equation
958,624,686.10 : 1,437,937,029.15 = 493,720,099.30 : x - Step 2: Convert to fraction form
958,624,686.10/1,437,937,029.15 = 493,720,099.30/x - Step 3: Cross multiply
958,624,686.10x = 1,437,937,029.15 × 493,720,099.30 - Step 4: Simplify right side
958,624,686.10x = 709,938,412,819,085,056 - Step 5: Solve for x
x = 709,938,412,819,085,056/958,624,686.10 - Step 6: Final answer
x = 740,580,148.95
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1.5x scale
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.