Finding the Fourth Proportional to 565,219,368.72, 779,888,381.28 and 330,224,644.08
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Solution
The fourth proportional to 565,219,368.72, 779,888,381.28 and 330,224,644.08 is: 455,643,202.24
Step by Step Solution
- Step 1: Write the proportion equation
565,219,368.72 : 779,888,381.28 = 330,224,644.08 : x - Step 2: Convert to fraction form
565,219,368.72/779,888,381.28 = 330,224,644.08/x - Step 3: Cross multiply
565,219,368.72x = 779,888,381.28 × 330,224,644.08 - Step 4: Simplify right side
565,219,368.72x = 257,538,363,130,315,328 - Step 5: Solve for x
x = 257,538,363,130,315,328/565,219,368.72 - Step 6: Final answer
x = 455,643,202.24
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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.