Finding the Fourth Proportional to 883,651,289.44, 1,219,440,123.12 and 492,502,315.36
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Solution
The fourth proportional to 883,651,289.44, 1,219,440,123.12 and 492,502,315.36 is: 679,653,944.10
Step by Step Solution
- Step 1: Write the proportion equation
883,651,289.44 : 1,219,440,123.12 = 492,502,315.36 : x - Step 2: Convert to fraction form
883,651,289.44/1,219,440,123.12 = 492,502,315.36/x - Step 3: Cross multiply
883,651,289.44x = 1,219,440,123.12 × 492,502,315.36 - Step 4: Simplify right side
883,651,289.44x = 600,577,084,079,483,392 - Step 5: Solve for x
x = 600,577,084,079,483,392/883,651,289.44 - Step 6: Final answer
x = 679,653,944.10
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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.