Finding the Fourth Proportional to 1,029,302,214.68, 1,420,448,028 and 559,403,569.64
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Solution
The fourth proportional to 1,029,302,214.68, 1,420,448,028 and 559,403,569.64 is: 771,982,889.01
Step by Step Solution
- Step 1: Write the proportion equation
1,029,302,214.68 : 1,420,448,028 = 559,403,569.64 : x - Step 2: Convert to fraction form
1,029,302,214.68/1,420,448,028 = 559,403,569.64/x - Step 3: Cross multiply
1,029,302,214.68x = 1,420,448,028 × 559,403,569.64 - Step 4: Simplify right side
1,029,302,214.68x = 794,603,697,351,298,688 - Step 5: Solve for x
x = 794,603,697,351,298,688/1,029,302,214.68 - Step 6: Final answer
x = 771,982,889.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.