Home / 524,555,999.90-723,950,758.59-298,549,936.72

Finding the Fourth Proportional to 524,555,999.90, 723,950,758.59 and 298,549,936.72

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Solution

The fourth proportional to 524,555,999.90, 723,950,758.59 and 298,549,936.72 is: 412,035,041.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,555,999.90 : 723,950,758.59 = 298,549,936.72 : x
  2. Step 2: Convert to fraction form
    524,555,999.90/723,950,758.59 = 298,549,936.72/x
  3. Step 3: Cross multiply
    524,555,999.90x = 723,950,758.59 × 298,549,936.72
  4. Step 4: Simplify right side
    524,555,999.90x = 216,135,453,165,225,856
  5. Step 5: Solve for x
    x = 216,135,453,165,225,856/524,555,999.90
  6. Step 6: Final answer
    x = 412,035,041.46

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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.