Home / 514,566,505.71-771,415,803.09-223,214,147.01

Finding the Fourth Proportional to 514,566,505.71, 771,415,803.09 and 223,214,147.01

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Solution

The fourth proportional to 514,566,505.71, 771,415,803.09 and 223,214,147.01 is: 334,632,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,566,505.71 : 771,415,803.09 = 223,214,147.01 : x
  2. Step 2: Convert to fraction form
    514,566,505.71/771,415,803.09 = 223,214,147.01/x
  3. Step 3: Cross multiply
    514,566,505.71x = 771,415,803.09 × 223,214,147.01
  4. Step 4: Simplify right side
    514,566,505.71x = 172,190,920,476,768,480
  5. Step 5: Solve for x
    x = 172,190,920,476,768,480/514,566,505.71
  6. Step 6: Final answer
    x = 334,632,974.68

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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.