Finding the Fourth Proportional to 732,961,440,828.37, 1,011,486,953,445.90 and 403,364,479,005.74
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Solution
The fourth proportional to 732,961,440,828.37, 1,011,486,953,445.90 and 403,364,479,005.74 is: 556,643,071,887.52
Step by Step Solution
- Step 1: Write the proportion equation
732,961,440,828.37 : 1,011,486,953,445.90 = 403,364,479,005.74 : x - Step 2: Convert to fraction form
732,961,440,828.37/1,011,486,953,445.90 = 403,364,479,005.74/x - Step 3: Cross multiply
732,961,440,828.37x = 1,011,486,953,445.90 × 403,364,479,005.74 - Step 4: Simplify right side
732,961,440,828.37x = 407,997,907,997,808,612,343,808 - Step 5: Solve for x
x = 407,997,907,997,808,612,343,808/732,961,440,828.37 - Step 6: Final answer
x = 556,643,071,887.52
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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.