Finding the Fourth Proportional to 742,054,108.99, 1,024,432,237.27 and 572,137,234.40
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Solution
The fourth proportional to 742,054,108.99, 1,024,432,237.27 and 572,137,234.40 is: 789,855,914.76
Step by Step Solution
- Step 1: Write the proportion equation
742,054,108.99 : 1,024,432,237.27 = 572,137,234.40 : x - Step 2: Convert to fraction form
742,054,108.99/1,024,432,237.27 = 572,137,234.40/x - Step 3: Cross multiply
742,054,108.99x = 1,024,432,237.27 × 572,137,234.40 - Step 4: Simplify right side
742,054,108.99x = 586,115,827,059,332,224 - Step 5: Solve for x
x = 586,115,827,059,332,224/742,054,108.99 - Step 6: Final answer
x = 789,855,914.76
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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.