Finding the Fourth Proportional to 4,346,266,887.80, 6,519,400,331.70 and 3,130,896,750.20
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Solution
The fourth proportional to 4,346,266,887.80, 6,519,400,331.70 and 3,130,896,750.20 is: 4,696,345,125.30
Step by Step Solution
- Step 1: Write the proportion equation
4,346,266,887.80 : 6,519,400,331.70 = 3,130,896,750.20 : x - Step 2: Convert to fraction form
4,346,266,887.80/6,519,400,331.70 = 3,130,896,750.20/x - Step 3: Cross multiply
4,346,266,887.80x = 6,519,400,331.70 × 3,130,896,750.20 - Step 4: Simplify right side
4,346,266,887.80x = 20,411,569,311,772,332,032 - Step 5: Solve for x
x = 20,411,569,311,772,332,032/4,346,266,887.80 - Step 6: Final answer
x = 4,696,345,125.30
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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.