Finding the Fourth Proportional to 621,790,961, 933,009,235.14 and 253,596,039.08
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Solution
The fourth proportional to 621,790,961, 933,009,235.14 and 253,596,039.08 is: 380,525,709.28
Step by Step Solution
- Step 1: Write the proportion equation
621,790,961 : 933,009,235.14 = 253,596,039.08 : x - Step 2: Convert to fraction form
621,790,961/933,009,235.14 = 253,596,039.08/x - Step 3: Cross multiply
621,790,961x = 933,009,235.14 × 253,596,039.08 - Step 4: Simplify right side
621,790,961x = 236,607,446,456,564,352 - Step 5: Solve for x
x = 236,607,446,456,564,352/621,790,961 - Step 6: Final answer
x = 380,525,709.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.