Finding the Fourth Proportional to 1,259,155,325.80, 1,888,732,988.70 and 996,127,460.20
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Solution
The fourth proportional to 1,259,155,325.80, 1,888,732,988.70 and 996,127,460.20 is: 1,494,191,190.30
Step by Step Solution
- Step 1: Write the proportion equation
1,259,155,325.80 : 1,888,732,988.70 = 996,127,460.20 : x - Step 2: Convert to fraction form
1,259,155,325.80/1,888,732,988.70 = 996,127,460.20/x - Step 3: Cross multiply
1,259,155,325.80x = 1,888,732,988.70 × 996,127,460.20 - Step 4: Simplify right side
1,259,155,325.80x = 1,881,418,795,029,686,528 - Step 5: Solve for x
x = 1,881,418,795,029,686,528/1,259,155,325.80 - Step 6: Final answer
x = 1,494,191,190.30
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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.