Finding the Fourth Proportional to 7,538,408,700.36, 10,402,668,436.14 and 4,321,012,132.68
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Solution
The fourth proportional to 7,538,408,700.36, 10,402,668,436.14 and 4,321,012,132.68 is: 5,962,804,394.34
Step by Step Solution
- Step 1: Write the proportion equation
7,538,408,700.36 : 10,402,668,436.14 = 4,321,012,132.68 : x - Step 2: Convert to fraction form
7,538,408,700.36/10,402,668,436.14 = 4,321,012,132.68/x - Step 3: Cross multiply
7,538,408,700.36x = 10,402,668,436.14 × 4,321,012,132.68 - Step 4: Simplify right side
7,538,408,700.36x = 44,950,056,524,808,224,768 - Step 5: Solve for x
x = 44,950,056,524,808,224,768/7,538,408,700.36 - Step 6: Final answer
x = 5,962,804,394.34
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1.5x scale
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.