Finding the Fourth Proportional to 7,243,344,890.40, 10,865,017,335.60 and 2,073,486,842.40
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Solution
The fourth proportional to 7,243,344,890.40, 10,865,017,335.60 and 2,073,486,842.40 is: 3,110,230,263.60
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,890.40 : 10,865,017,335.60 = 2,073,486,842.40 : x - Step 2: Convert to fraction form
7,243,344,890.40/10,865,017,335.60 = 2,073,486,842.40/x - Step 3: Cross multiply
7,243,344,890.40x = 10,865,017,335.60 × 2,073,486,842.40 - Step 4: Simplify right side
7,243,344,890.40x = 22,528,470,487,814,508,544 - Step 5: Solve for x
x = 22,528,470,487,814,508,544/7,243,344,890.40 - Step 6: Final answer
x = 3,110,230,263.60
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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.