Home / 356,065,037.10-534,097,555.65-200,459,112.30

Finding the Fourth Proportional to 356,065,037.10, 534,097,555.65 and 200,459,112.30

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Solution

The fourth proportional to 356,065,037.10, 534,097,555.65 and 200,459,112.30 is: 300,688,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,065,037.10 : 534,097,555.65 = 200,459,112.30 : x
  2. Step 2: Convert to fraction form
    356,065,037.10/534,097,555.65 = 200,459,112.30/x
  3. Step 3: Cross multiply
    356,065,037.10x = 534,097,555.65 × 200,459,112.30
  4. Step 4: Simplify right side
    356,065,037.10x = 107,064,721,887,198,848
  5. Step 5: Solve for x
    x = 107,064,721,887,198,848/356,065,037.10
  6. Step 6: Final answer
    x = 300,688,668.45

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Similar ratio
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1.5x scale

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.