Home / 572,107,272,887.45-788,977,714,725.75-417,538,120,391.12

Finding the Fourth Proportional to 572,107,272,887.45, 788,977,714,725.75 and 417,538,120,391.12

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Solution

The fourth proportional to 572,107,272,887.45, 788,977,714,725.75 and 417,538,120,391.12 is: 575,815,564,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,107,272,887.45 : 788,977,714,725.75 = 417,538,120,391.12 : x
  2. Step 2: Convert to fraction form
    572,107,272,887.45/788,977,714,725.75 = 417,538,120,391.12/x
  3. Step 3: Cross multiply
    572,107,272,887.45x = 788,977,714,725.75 × 417,538,120,391.12
  4. Step 4: Simplify right side
    572,107,272,887.45x = 329,428,272,037,070,907,637,760
  5. Step 5: Solve for x
    x = 329,428,272,037,070,907,637,760/572,107,272,887.45
  6. Step 6: Final answer
    x = 575,815,564,053.98

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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.