Finding the Fourth Proportional to 690,877,012.80, 1,034,803,864.80 and 600,177,748.80
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Solution
The fourth proportional to 690,877,012.80, 1,034,803,864.80 and 600,177,748.80 is: 898,953,420.82
Step by Step Solution
- Step 1: Write the proportion equation
690,877,012.80 : 1,034,803,864.80 = 600,177,748.80 : x - Step 2: Convert to fraction form
690,877,012.80/1,034,803,864.80 = 600,177,748.80/x - Step 3: Cross multiply
690,877,012.80x = 1,034,803,864.80 × 600,177,748.80 - Step 4: Simplify right side
690,877,012.80x = 621,066,254,025,203,456 - Step 5: Solve for x
x = 621,066,254,025,203,456/690,877,012.80 - Step 6: Final answer
x = 898,953,420.82
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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.