Finding the Fourth Proportional to 1,483,459,352.30, 2,225,507,893.05 and 448,424,860.70
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Solution
The fourth proportional to 1,483,459,352.30, 2,225,507,893.05 and 448,424,860.70 is: 672,733,678.47
Step by Step Solution
- Step 1: Write the proportion equation
1,483,459,352.30 : 2,225,507,893.05 = 448,424,860.70 : x - Step 2: Convert to fraction form
1,483,459,352.30/2,225,507,893.05 = 448,424,860.70/x - Step 3: Cross multiply
1,483,459,352.30x = 2,225,507,893.05 × 448,424,860.70 - Step 4: Simplify right side
1,483,459,352.30x = 997,973,066,927,696,768 - Step 5: Solve for x
x = 997,973,066,927,696,768/1,483,459,352.30 - Step 6: Final answer
x = 672,733,678.47
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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.