Home / 837,210,637.18-1,256,005,149.72-276,971,152.05

Finding the Fourth Proportional to 837,210,637.18, 1,256,005,149.72 and 276,971,152.05

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Solution

The fourth proportional to 837,210,637.18, 1,256,005,149.72 and 276,971,152.05 is: 415,519,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,210,637.18 : 1,256,005,149.72 = 276,971,152.05 : x
  2. Step 2: Convert to fraction form
    837,210,637.18/1,256,005,149.72 = 276,971,152.05/x
  3. Step 3: Cross multiply
    837,210,637.18x = 1,256,005,149.72 × 276,971,152.05
  4. Step 4: Simplify right side
    837,210,637.18x = 347,877,193,298,681,152
  5. Step 5: Solve for x
    x = 347,877,193,298,681,152/837,210,637.18
  6. Step 6: Final answer
    x = 415,519,318.38

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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.