Home / 751,631,995-1,037,250,031.98-417,155,018.68

Finding the Fourth Proportional to 751,631,995, 1,037,250,031.98 and 417,155,018.68

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Solution

The fourth proportional to 751,631,995, 1,037,250,031.98 and 417,155,018.68 is: 575,672,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,631,995 : 1,037,250,031.98 = 417,155,018.68 : x
  2. Step 2: Convert to fraction form
    751,631,995/1,037,250,031.98 = 417,155,018.68/x
  3. Step 3: Cross multiply
    751,631,995x = 1,037,250,031.98 × 417,155,018.68
  4. Step 4: Simplify right side
    751,631,995x = 432,694,056,466,447,488
  5. Step 5: Solve for x
    x = 432,694,056,466,447,488/751,631,995
  6. Step 6: Final answer
    x = 575,672,748.56

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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.