Finding the Fourth Proportional to 750,483,869.70, 1,125,720,136.46 and 225,850,712.97
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Solution
The fourth proportional to 750,483,869.70, 1,125,720,136.46 and 225,850,712.97 is: 338,774,363.70
Step by Step Solution
- Step 1: Write the proportion equation
750,483,869.70 : 1,125,720,136.46 = 225,850,712.97 : x - Step 2: Convert to fraction form
750,483,869.70/1,125,720,136.46 = 225,850,712.97/x - Step 3: Cross multiply
750,483,869.70x = 1,125,720,136.46 × 225,850,712.97 - Step 4: Simplify right side
750,483,869.70x = 254,244,695,428,962,784 - Step 5: Solve for x
x = 254,244,695,428,962,784/750,483,869.70 - Step 6: Final answer
x = 338,774,363.70
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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.