Home / 811,973,761.74-1,120,331,740.62-459,549,752.33

Finding the Fourth Proportional to 811,973,761.74, 1,120,331,740.62 and 459,549,752.33

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Solution

The fourth proportional to 811,973,761.74, 1,120,331,740.62 and 459,549,752.33 is: 634,069,964.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,973,761.74 : 1,120,331,740.62 = 459,549,752.33 : x
  2. Step 2: Convert to fraction form
    811,973,761.74/1,120,331,740.62 = 459,549,752.33/x
  3. Step 3: Cross multiply
    811,973,761.74x = 1,120,331,740.62 × 459,549,752.33
  4. Step 4: Simplify right side
    811,973,761.74x = 514,848,173,923,345,216
  5. Step 5: Solve for x
    x = 514,848,173,923,345,216/811,973,761.74
  6. Step 6: Final answer
    x = 634,069,964.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.