Home / 689,610,303.00-952,204,455.41-555,221,327.85

Finding the Fourth Proportional to 689,610,303.00, 952,204,455.41 and 555,221,327.85

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Solution

The fourth proportional to 689,610,303.00, 952,204,455.41 and 555,221,327.85 is: 766,642,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,610,303.00 : 952,204,455.41 = 555,221,327.85 : x
  2. Step 2: Convert to fraction form
    689,610,303.00/952,204,455.41 = 555,221,327.85/x
  3. Step 3: Cross multiply
    689,610,303.00x = 952,204,455.41 × 555,221,327.85
  4. Step 4: Simplify right side
    689,610,303.00x = 528,684,222,112,665,280
  5. Step 5: Solve for x
    x = 528,684,222,112,665,280/689,610,303.00
  6. Step 6: Final answer
    x = 766,642,000.30

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1.5x scale

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.