Home / 448,977,491.64-615,088,943.43-432,191,021.88

Finding the Fourth Proportional to 448,977,491.64, 615,088,943.43 and 432,191,021.88

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Solution

The fourth proportional to 448,977,491.64, 615,088,943.43 and 432,191,021.88 is: 592,091,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,977,491.64 : 615,088,943.43 = 432,191,021.88 : x
  2. Step 2: Convert to fraction form
    448,977,491.64/615,088,943.43 = 432,191,021.88/x
  3. Step 3: Cross multiply
    448,977,491.64x = 615,088,943.43 × 432,191,021.88
  4. Step 4: Simplify right side
    448,977,491.64x = 265,835,919,008,101,184
  5. Step 5: Solve for x
    x = 265,835,919,008,101,184/448,977,491.64
  6. Step 6: Final answer
    x = 592,091,861.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.