Finding the Fourth Proportional to 1,379,217,776.04, 1,903,360,882.50 and 752,726,386.44
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Solution
The fourth proportional to 1,379,217,776.04, 1,903,360,882.50 and 752,726,386.44 is: 1,038,784,435.69
Step by Step Solution
- Step 1: Write the proportion equation
1,379,217,776.04 : 1,903,360,882.50 = 752,726,386.44 : x - Step 2: Convert to fraction form
1,379,217,776.04/1,903,360,882.50 = 752,726,386.44/x - Step 3: Cross multiply
1,379,217,776.04x = 1,903,360,882.50 × 752,726,386.44 - Step 4: Simplify right side
1,379,217,776.04x = 1,432,709,959,175,474,432 - Step 5: Solve for x
x = 1,432,709,959,175,474,432/1,379,217,776.04 - Step 6: Final answer
x = 1,038,784,435.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.