Finding the Fourth Proportional to 19,490,255,309.70, 29,235,382,964.55 and 4,768,276,727.70
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Solution
The fourth proportional to 19,490,255,309.70, 29,235,382,964.55 and 4,768,276,727.70 is: 7,152,415,091.55
Step by Step Solution
- Step 1: Write the proportion equation
19,490,255,309.70 : 29,235,382,964.55 = 4,768,276,727.70 : x - Step 2: Convert to fraction form
19,490,255,309.70/29,235,382,964.55 = 4,768,276,727.70/x - Step 3: Cross multiply
19,490,255,309.70x = 29,235,382,964.55 × 4,768,276,727.70 - Step 4: Simplify right side
19,490,255,309.70x = 139,402,396,215,260,790,784 - Step 5: Solve for x
x = 139,402,396,215,260,790,784/19,490,255,309.70 - Step 6: Final answer
x = 7,152,415,091.55
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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.