Home / 1,761,939,879.66-2,642,344,050.69-581,254,978.86

Finding the Fourth Proportional to 1,761,939,879.66, 2,642,344,050.69 and 581,254,978.86

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Solution

The fourth proportional to 1,761,939,879.66, 2,642,344,050.69 and 581,254,978.86 is: 871,695,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,939,879.66 : 2,642,344,050.69 = 581,254,978.86 : x
  2. Step 2: Convert to fraction form
    1,761,939,879.66/2,642,344,050.69 = 581,254,978.86/x
  3. Step 3: Cross multiply
    1,761,939,879.66x = 2,642,344,050.69 × 581,254,978.86
  4. Step 4: Simplify right side
    1,761,939,879.66x = 1,535,875,635,324,662,784
  5. Step 5: Solve for x
    x = 1,535,875,635,324,662,784/1,761,939,879.66
  6. Step 6: Final answer
    x = 871,695,824.05

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1.5x scale

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.