Finding the Fourth Proportional to 787,437,656.76, 1,180,331,425.49 and 366,912,327.38
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Solution
The fourth proportional to 787,437,656.76, 1,180,331,425.49 and 366,912,327.38 is: 549,984,048.49
Step by Step Solution
- Step 1: Write the proportion equation
787,437,656.76 : 1,180,331,425.49 = 366,912,327.38 : x - Step 2: Convert to fraction form
787,437,656.76/1,180,331,425.49 = 366,912,327.38/x - Step 3: Cross multiply
787,437,656.76x = 1,180,331,425.49 × 366,912,327.38 - Step 4: Simplify right side
787,437,656.76x = 433,078,150,400,607,488 - Step 5: Solve for x
x = 433,078,150,400,607,488/787,437,656.76 - Step 6: Final answer
x = 549,984,048.49
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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.