Finding the Fourth Proportional to 2,913,243,605.40, 4,369,865,408.10 and 1,072,757,134.20
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Solution
The fourth proportional to 2,913,243,605.40, 4,369,865,408.10 and 1,072,757,134.20 is: 1,609,135,701.30
Step by Step Solution
- Step 1: Write the proportion equation
2,913,243,605.40 : 4,369,865,408.10 = 1,072,757,134.20 : x - Step 2: Convert to fraction form
2,913,243,605.40/4,369,865,408.10 = 1,072,757,134.20/x - Step 3: Cross multiply
2,913,243,605.40x = 4,369,865,408.10 × 1,072,757,134.20 - Step 4: Simplify right side
2,913,243,605.40x = 4,687,804,292,033,070,080 - Step 5: Solve for x
x = 4,687,804,292,033,070,080/2,913,243,605.40 - Step 6: Final answer
x = 1,609,135,701.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.