Finding the Fourth Proportional to 657,183,239,307.28, 906,912,182,421.18 and 368,153,533,219.54
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Solution
The fourth proportional to 657,183,239,307.28, 906,912,182,421.18 and 368,153,533,219.54 is: 508,051,490,525.14
Step by Step Solution
- Step 1: Write the proportion equation
657,183,239,307.28 : 906,912,182,421.18 = 368,153,533,219.54 : x - Step 2: Convert to fraction form
657,183,239,307.28/906,912,182,421.18 = 368,153,533,219.54/x - Step 3: Cross multiply
657,183,239,307.28x = 906,912,182,421.18 × 368,153,533,219.54 - Step 4: Simplify right side
657,183,239,307.28x = 333,882,924,278,201,387,581,440 - Step 5: Solve for x
x = 333,882,924,278,201,387,581,440/657,183,239,307.28 - Step 6: Final answer
x = 508,051,490,525.14
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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.