Finding the Fourth Proportional to 5,314,421,247.57, 7,334,124,127.08 and 3,056,362,537.06
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Solution
The fourth proportional to 5,314,421,247.57, 7,334,124,127.08 and 3,056,362,537.06 is: 4,217,908,438.18
Step by Step Solution
- Step 1: Write the proportion equation
5,314,421,247.57 : 7,334,124,127.08 = 3,056,362,537.06 : x - Step 2: Convert to fraction form
5,314,421,247.57/7,334,124,127.08 = 3,056,362,537.06/x - Step 3: Cross multiply
5,314,421,247.57x = 7,334,124,127.08 × 3,056,362,537.06 - Step 4: Simplify right side
5,314,421,247.57x = 22,415,742,224,155,185,152 - Step 5: Solve for x
x = 22,415,742,224,155,185,152/5,314,421,247.57 - Step 6: Final answer
x = 4,217,908,438.18
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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.