Finding the Fourth Proportional to 2,828,765,116.44, 4,243,804,213.19 and 963,426,972.78
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Solution
The fourth proportional to 2,828,765,116.44, 4,243,804,213.19 and 963,426,972.78 is: 1,445,364,064.49
Step by Step Solution
- Step 1: Write the proportion equation
2,828,765,116.44 : 4,243,804,213.19 = 963,426,972.78 : x - Step 2: Convert to fraction form
2,828,765,116.44/4,243,804,213.19 = 963,426,972.78/x - Step 3: Cross multiply
2,828,765,116.44x = 4,243,804,213.19 × 963,426,972.78 - Step 4: Simplify right side
2,828,765,116.44x = 4,088,595,446,179,834,368 - Step 5: Solve for x
x = 4,088,595,446,179,834,368/2,828,765,116.44 - Step 6: Final answer
x = 1,445,364,064.49
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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.