Home / 473,436,348,642.72-653,390,856,887.20-288,051,218,695.58

Finding the Fourth Proportional to 473,436,348,642.72, 653,390,856,887.20 and 288,051,218,695.58

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Solution

The fourth proportional to 473,436,348,642.72, 653,390,856,887.20 and 288,051,218,695.58 is: 397,540,309,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,436,348,642.72 : 653,390,856,887.20 = 288,051,218,695.58 : x
  2. Step 2: Convert to fraction form
    473,436,348,642.72/653,390,856,887.20 = 288,051,218,695.58/x
  3. Step 3: Cross multiply
    473,436,348,642.72x = 653,390,856,887.20 × 288,051,218,695.58
  4. Step 4: Simplify right side
    473,436,348,642.72x = 188,210,032,610,907,250,491,392
  5. Step 5: Solve for x
    x = 188,210,032,610,907,250,491,392/473,436,348,642.72
  6. Step 6: Final answer
    x = 397,540,309,590.68

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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.