Finding the Fourth Proportional to 2,818,134,259.16, 3,888,918,605.94 and 1,565,151,791
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Solution
The fourth proportional to 2,818,134,259.16, 3,888,918,605.94 and 1,565,151,791 is: 2,159,850,227.63
Step by Step Solution
- Step 1: Write the proportion equation
2,818,134,259.16 : 3,888,918,605.94 = 1,565,151,791 : x - Step 2: Convert to fraction form
2,818,134,259.16/3,888,918,605.94 = 1,565,151,791/x - Step 3: Cross multiply
2,818,134,259.16x = 3,888,918,605.94 × 1,565,151,791 - Step 4: Simplify right side
2,818,134,259.16x = 6,086,747,921,140,214,784 - Step 5: Solve for x
x = 6,086,747,921,140,214,784/2,818,134,259.16 - Step 6: Final answer
x = 2,159,850,227.63
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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.