Home / 1,047,243,701.30-1,570,392,828.72-300,088,578.24

Finding the Fourth Proportional to 1,047,243,701.30, 1,570,392,828.72 and 300,088,578.24

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Solution

The fourth proportional to 1,047,243,701.30, 1,570,392,828.72 and 300,088,578.24 is: 449,997,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,243,701.30 : 1,570,392,828.72 = 300,088,578.24 : x
  2. Step 2: Convert to fraction form
    1,047,243,701.30/1,570,392,828.72 = 300,088,578.24/x
  3. Step 3: Cross multiply
    1,047,243,701.30x = 1,570,392,828.72 × 300,088,578.24
  4. Step 4: Simplify right side
    1,047,243,701.30x = 471,256,951,248,876,672
  5. Step 5: Solve for x
    x = 471,256,951,248,876,672/1,047,243,701.30
  6. Step 6: Final answer
    x = 449,997,408.11

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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.