Home / 559,710,422.40-772,648,090.74-361,568,550.18

Finding the Fourth Proportional to 559,710,422.40, 772,648,090.74 and 361,568,550.18

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Solution

The fourth proportional to 559,710,422.40, 772,648,090.74 and 361,568,550.18 is: 499,124,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,710,422.40 : 772,648,090.74 = 361,568,550.18 : x
  2. Step 2: Convert to fraction form
    559,710,422.40/772,648,090.74 = 361,568,550.18/x
  3. Step 3: Cross multiply
    559,710,422.40x = 772,648,090.74 × 361,568,550.18
  4. Step 4: Simplify right side
    559,710,422.40x = 279,365,249,968,206,880
  5. Step 5: Solve for x
    x = 279,365,249,968,206,880/559,710,422.40
  6. Step 6: Final answer
    x = 499,124,616.57

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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.