Finding the Fourth Proportional to 1,474,779,962.28, 2,210,624,701.56 and 687,184,283.64
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Solution
The fourth proportional to 1,474,779,962.28, 2,210,624,701.56 and 687,184,283.64 is: 1,030,056,408.95
Step by Step Solution
- Step 1: Write the proportion equation
1,474,779,962.28 : 2,210,624,701.56 = 687,184,283.64 : x - Step 2: Convert to fraction form
1,474,779,962.28/2,210,624,701.56 = 687,184,283.64/x - Step 3: Cross multiply
1,474,779,962.28x = 2,210,624,701.56 × 687,184,283.64 - Step 4: Simplify right side
1,474,779,962.28x = 1,519,106,551,938,397,440 - Step 5: Solve for x
x = 1,519,106,551,938,397,440/1,474,779,962.28 - Step 6: Final answer
x = 1,030,056,408.95
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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.