Finding the Fourth Proportional to 7,838,208,005.80, 11,757,312,008.70 and 3,476,140,277.80
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Solution
The fourth proportional to 7,838,208,005.80, 11,757,312,008.70 and 3,476,140,277.80 is: 5,214,210,416.70
Step by Step Solution
- Step 1: Write the proportion equation
7,838,208,005.80 : 11,757,312,008.70 = 3,476,140,277.80 : x - Step 2: Convert to fraction form
7,838,208,005.80/11,757,312,008.70 = 3,476,140,277.80/x - Step 3: Cross multiply
7,838,208,005.80x = 11,757,312,008.70 × 3,476,140,277.80 - Step 4: Simplify right side
7,838,208,005.80x = 40,870,065,832,103,698,432 - Step 5: Solve for x
x = 40,870,065,832,103,698,432/7,838,208,005.80 - Step 6: Final answer
x = 5,214,210,416.70
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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.