Home / 530,142,929.09-794,948,340.99-308,885,772.51

Finding the Fourth Proportional to 530,142,929.09, 794,948,340.99 and 308,885,772.51

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Solution

The fourth proportional to 530,142,929.09, 794,948,340.99 and 308,885,772.51 is: 463,173,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,142,929.09 : 794,948,340.99 = 308,885,772.51 : x
  2. Step 2: Convert to fraction form
    530,142,929.09/794,948,340.99 = 308,885,772.51/x
  3. Step 3: Cross multiply
    530,142,929.09x = 794,948,340.99 × 308,885,772.51
  4. Step 4: Simplify right side
    530,142,929.09x = 245,548,232,412,239,040
  5. Step 5: Solve for x
    x = 245,548,232,412,239,040/530,142,929.09
  6. Step 6: Final answer
    x = 463,173,644.20

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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.