Home / 768,376,575.12-1,152,596,747.52-223,118,109.12

Finding the Fourth Proportional to 768,376,575.12, 1,152,596,747.52 and 223,118,109.12

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Solution

The fourth proportional to 768,376,575.12, 1,152,596,747.52 and 223,118,109.12 is: 334,686,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,376,575.12 : 1,152,596,747.52 = 223,118,109.12 : x
  2. Step 2: Convert to fraction form
    768,376,575.12/1,152,596,747.52 = 223,118,109.12/x
  3. Step 3: Cross multiply
    768,376,575.12x = 1,152,596,747.52 × 223,118,109.12
  4. Step 4: Simplify right side
    768,376,575.12x = 257,165,206,884,524,448
  5. Step 5: Solve for x
    x = 257,165,206,884,524,448/768,376,575.12
  6. Step 6: Final answer
    x = 334,686,422.27

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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.