Home / 837,210,637.68-1,256,005,150.47-276,971,152.55

Finding the Fourth Proportional to 837,210,637.68, 1,256,005,150.47 and 276,971,152.55

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Solution

The fourth proportional to 837,210,637.68, 1,256,005,150.47 and 276,971,152.55 is: 415,519,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,210,637.68 : 1,256,005,150.47 = 276,971,152.55 : x
  2. Step 2: Convert to fraction form
    837,210,637.68/1,256,005,150.47 = 276,971,152.55/x
  3. Step 3: Cross multiply
    837,210,637.68x = 1,256,005,150.47 × 276,971,152.55
  4. Step 4: Simplify right side
    837,210,637.68x = 347,877,194,134,412,096
  5. Step 5: Solve for x
    x = 347,877,194,134,412,096/837,210,637.68
  6. Step 6: Final answer
    x = 415,519,319.13

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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.