Finding the Fourth Proportional to 7,106,624,226.24, 9,807,447,886.70 and 3,934,808,422.97
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Solution
The fourth proportional to 7,106,624,226.24, 9,807,447,886.70 and 3,934,808,422.97 is: 5,430,205,301.96
Step by Step Solution
- Step 1: Write the proportion equation
7,106,624,226.24 : 9,807,447,886.70 = 3,934,808,422.97 : x - Step 2: Convert to fraction form
7,106,624,226.24/9,807,447,886.70 = 3,934,808,422.97/x - Step 3: Cross multiply
7,106,624,226.24x = 9,807,447,886.70 × 3,934,808,422.97 - Step 4: Simplify right side
7,106,624,226.24x = 38,590,428,552,357,773,312 - Step 5: Solve for x
x = 38,590,428,552,357,773,312/7,106,624,226.24 - Step 6: Final answer
x = 5,430,205,301.96
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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.