Finding the Fourth Proportional to 1,417,177,202.40, 2,125,765,803.60 and 728,429,666.40
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Solution
The fourth proportional to 1,417,177,202.40, 2,125,765,803.60 and 728,429,666.40 is: 1,092,644,499.60
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,202.40 : 2,125,765,803.60 = 728,429,666.40 : x - Step 2: Convert to fraction form
1,417,177,202.40/2,125,765,803.60 = 728,429,666.40/x - Step 3: Cross multiply
1,417,177,202.40x = 2,125,765,803.60 × 728,429,666.40 - Step 4: Simplify right side
1,417,177,202.40x = 1,548,470,875,160,875,776 - Step 5: Solve for x
x = 1,548,470,875,160,875,776/1,417,177,202.40 - Step 6: Final answer
x = 1,092,644,499.60
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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.