Home / 340,514,660,980.16-510,772,483,057.20-139,056,396,125.05

Finding the Fourth Proportional to 340,514,660,980.16, 510,772,483,057.20 and 139,056,396,125.05

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Solution

The fourth proportional to 340,514,660,980.16, 510,772,483,057.20 and 139,056,396,125.05 is: 208,584,794,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,514,660,980.16 : 510,772,483,057.20 = 139,056,396,125.05 : x
  2. Step 2: Convert to fraction form
    340,514,660,980.16/510,772,483,057.20 = 139,056,396,125.05/x
  3. Step 3: Cross multiply
    340,514,660,980.16x = 510,772,483,057.20 × 139,056,396,125.05
  4. Step 4: Simplify right side
    340,514,660,980.16x = 71,026,180,733,777,385,357,312
  5. Step 5: Solve for x
    x = 71,026,180,733,777,385,357,312/340,514,660,980.16
  6. Step 6: Final answer
    x = 208,584,794,937.55

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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.