Home / 19,315,665,063.40-28,973,497,595.10-13,704,403,930.60

Finding the Fourth Proportional to 19,315,665,063.40, 28,973,497,595.10 and 13,704,403,930.60

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Solution

The fourth proportional to 19,315,665,063.40, 28,973,497,595.10 and 13,704,403,930.60 is: 20,556,605,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,665,063.40 : 28,973,497,595.10 = 13,704,403,930.60 : x
  2. Step 2: Convert to fraction form
    19,315,665,063.40/28,973,497,595.10 = 13,704,403,930.60/x
  3. Step 3: Cross multiply
    19,315,665,063.40x = 28,973,497,595.10 × 13,704,403,930.60
  4. Step 4: Simplify right side
    19,315,665,063.40x = 397,064,514,325,518,090,240
  5. Step 5: Solve for x
    x = 397,064,514,325,518,090,240/19,315,665,063.40
  6. Step 6: Final answer
    x = 20,556,605,895.90

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Double scale
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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.