Finding the Fourth Proportional to 660,483,758.70, 989,875,332.45 and 506,365,868.70
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Solution
The fourth proportional to 660,483,758.70, 989,875,332.45 and 506,365,868.70 is: 758,896,908.54
Step by Step Solution
- Step 1: Write the proportion equation
660,483,758.70 : 989,875,332.45 = 506,365,868.70 : x - Step 2: Convert to fraction form
660,483,758.70/989,875,332.45 = 506,365,868.70/x - Step 3: Cross multiply
660,483,758.70x = 989,875,332.45 × 506,365,868.70 - Step 4: Simplify right side
660,483,758.70x = 501,239,082,620,745,536 - Step 5: Solve for x
x = 501,239,082,620,745,536/660,483,758.70 - Step 6: Final answer
x = 758,896,908.54
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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.