Finding the Fourth Proportional to 694,112,622.14, 957,877,237.47 and 376,572,851.58
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Solution
The fourth proportional to 694,112,622.14, 957,877,237.47 and 376,572,851.58 is: 519,671,521.99
Step by Step Solution
- Step 1: Write the proportion equation
694,112,622.14 : 957,877,237.47 = 376,572,851.58 : x - Step 2: Convert to fraction form
694,112,622.14/957,877,237.47 = 376,572,851.58/x - Step 3: Cross multiply
694,112,622.14x = 957,877,237.47 × 376,572,851.58 - Step 4: Simplify right side
694,112,622.14x = 360,710,562,777,650,688 - Step 5: Solve for x
x = 360,710,562,777,650,688/694,112,622.14 - Step 6: Final answer
x = 519,671,521.99
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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.