Finding the Fourth Proportional to 784,559,512.32, 1,082,692,075.68 and 454,725,970.08
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Solution
The fourth proportional to 784,559,512.32, 1,082,692,075.68 and 454,725,970.08 is: 627,521,808.96
Step by Step Solution
- Step 1: Write the proportion equation
784,559,512.32 : 1,082,692,075.68 = 454,725,970.08 : x - Step 2: Convert to fraction form
784,559,512.32/1,082,692,075.68 = 454,725,970.08/x - Step 3: Cross multiply
784,559,512.32x = 1,082,692,075.68 × 454,725,970.08 - Step 4: Simplify right side
784,559,512.32x = 492,328,204,411,516,800 - Step 5: Solve for x
x = 492,328,204,411,516,800/784,559,512.32 - Step 6: Final answer
x = 627,521,808.96
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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.