Finding the Fourth Proportional to 507,438,002.70, 708,882,653.70 and 507,438,002.70
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Solution
The fourth proportional to 507,438,002.70, 708,882,653.70 and 507,438,002.70 is: 708,882,653.70
Step by Step Solution
- Step 1: Write the proportion equation
507,438,002.70 : 708,882,653.70 = 507,438,002.70 : x - Step 2: Convert to fraction form
507,438,002.70/708,882,653.70 = 507,438,002.70/x - Step 3: Cross multiply
507,438,002.70x = 708,882,653.70 × 507,438,002.70 - Step 4: Simplify right side
507,438,002.70x = 359,713,997,942,203,776 - Step 5: Solve for x
x = 359,713,997,942,203,776/507,438,002.70 - Step 6: Final answer
x = 708,882,653.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.