Home / 340,514,660,934.21-510,772,482,988.25-139,056,396,079.14

Finding the Fourth Proportional to 340,514,660,934.21, 510,772,482,988.25 and 139,056,396,079.14

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Solution

The fourth proportional to 340,514,660,934.21, 510,772,482,988.25 and 139,056,396,079.14 is: 208,584,794,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,514,660,934.21 : 510,772,482,988.25 = 139,056,396,079.14 : x
  2. Step 2: Convert to fraction form
    340,514,660,934.21/510,772,482,988.25 = 139,056,396,079.14/x
  3. Step 3: Cross multiply
    340,514,660,934.21x = 510,772,482,988.25 × 139,056,396,079.14
  4. Step 4: Simplify right side
    340,514,660,934.21x = 71,026,180,700,739,901,325,312
  5. Step 5: Solve for x
    x = 71,026,180,700,739,901,325,312/340,514,660,934.21
  6. Step 6: Final answer
    x = 208,584,794,868.68

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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.