Finding the Fourth Proportional to 1,201,227,564.80, 1,801,841,347.20 and 943,238,547.20
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Solution
The fourth proportional to 1,201,227,564.80, 1,801,841,347.20 and 943,238,547.20 is: 1,414,857,820.80
Step by Step Solution
- Step 1: Write the proportion equation
1,201,227,564.80 : 1,801,841,347.20 = 943,238,547.20 : x - Step 2: Convert to fraction form
1,201,227,564.80/1,801,841,347.20 = 943,238,547.20/x - Step 3: Cross multiply
1,201,227,564.80x = 1,801,841,347.20 × 943,238,547.20 - Step 4: Simplify right side
1,201,227,564.80x = 1,699,566,214,617,818,880 - Step 5: Solve for x
x = 1,699,566,214,617,818,880/1,201,227,564.80 - Step 6: Final answer
x = 1,414,857,820.80
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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.