Home / 1,115,701,038.32-1,673,034,406.28-416,005,305.47

Finding the Fourth Proportional to 1,115,701,038.32, 1,673,034,406.28 and 416,005,305.47

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Solution

The fourth proportional to 1,115,701,038.32, 1,673,034,406.28 and 416,005,305.47 is: 623,815,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,701,038.32 : 1,673,034,406.28 = 416,005,305.47 : x
  2. Step 2: Convert to fraction form
    1,115,701,038.32/1,673,034,406.28 = 416,005,305.47/x
  3. Step 3: Cross multiply
    1,115,701,038.32x = 1,673,034,406.28 × 416,005,305.47
  4. Step 4: Simplify right side
    1,115,701,038.32x = 695,991,189,244,905,856
  5. Step 5: Solve for x
    x = 695,991,189,244,905,856/1,115,701,038.32
  6. Step 6: Final answer
    x = 623,815,130.88

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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.