Home / 559,710,384.90-772,648,038.99-361,568,512.68

Finding the Fourth Proportional to 559,710,384.90, 772,648,038.99 and 361,568,512.68

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Solution

The fourth proportional to 559,710,384.90, 772,648,038.99 and 361,568,512.68 is: 499,124,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,710,384.90 : 772,648,038.99 = 361,568,512.68 : x
  2. Step 2: Convert to fraction form
    559,710,384.90/772,648,038.99 = 361,568,512.68/x
  3. Step 3: Cross multiply
    559,710,384.90x = 772,648,038.99 × 361,568,512.68
  4. Step 4: Simplify right side
    559,710,384.90x = 279,365,202,282,732,960
  5. Step 5: Solve for x
    x = 279,365,202,282,732,960/559,710,384.90
  6. Step 6: Final answer
    x = 499,124,564.81

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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.