Finding the Fourth Proportional to 3,886,165,901.60, 5,829,248,852.40 and 3,808,681,803.80
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Solution
The fourth proportional to 3,886,165,901.60, 5,829,248,852.40 and 3,808,681,803.80 is: 5,713,022,705.70
Step by Step Solution
- Step 1: Write the proportion equation
3,886,165,901.60 : 5,829,248,852.40 = 3,808,681,803.80 : x - Step 2: Convert to fraction form
3,886,165,901.60/5,829,248,852.40 = 3,808,681,803.80/x - Step 3: Cross multiply
3,886,165,901.60x = 5,829,248,852.40 × 3,808,681,803.80 - Step 4: Simplify right side
3,886,165,901.60x = 22,201,754,033,957,912,576 - Step 5: Solve for x
x = 22,201,754,033,957,912,576/3,886,165,901.60 - Step 6: Final answer
x = 5,713,022,705.70
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Double scale
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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.