Home / 514,566,507.72-771,415,806.08-223,214,149.02

Finding the Fourth Proportional to 514,566,507.72, 771,415,806.08 and 223,214,149.02

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Solution

The fourth proportional to 514,566,507.72, 771,415,806.08 and 223,214,149.02 is: 334,632,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,566,507.72 : 771,415,806.08 = 223,214,149.02 : x
  2. Step 2: Convert to fraction form
    514,566,507.72/771,415,806.08 = 223,214,149.02/x
  3. Step 3: Cross multiply
    514,566,507.72x = 771,415,806.08 × 223,214,149.02
  4. Step 4: Simplify right side
    514,566,507.72x = 172,190,922,694,724,544
  5. Step 5: Solve for x
    x = 172,190,922,694,724,544/514,566,507.72
  6. Step 6: Final answer
    x = 334,632,977.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.