Finding the Fourth Proportional to 1,124,882,374.36, 1,686,708,455.47 and 893,201,334.74
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Solution
The fourth proportional to 1,124,882,374.36, 1,686,708,455.47 and 893,201,334.74 is: 1,339,313,583.43
Step by Step Solution
- Step 1: Write the proportion equation
1,124,882,374.36 : 1,686,708,455.47 = 893,201,334.74 : x - Step 2: Convert to fraction form
1,124,882,374.36/1,686,708,455.47 = 893,201,334.74/x - Step 3: Cross multiply
1,124,882,374.36x = 1,686,708,455.47 × 893,201,334.74 - Step 4: Simplify right side
1,124,882,374.36x = 1,506,570,243,743,047,936 - Step 5: Solve for x
x = 1,506,570,243,743,047,936/1,124,882,374.36 - Step 6: Final answer
x = 1,339,313,583.43
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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.